id string | problem string | answer string | answer_type string | category string | difficulty string | eval_score int64 | similar_problems list |
|---|---|---|---|---|---|---|---|
null | Suppose that the real exchange rate between the United States and Brazil is defined in terms of baskets of goods.
Other things the same, which of the following will increase the real exchange rate (that is increase the number of baskets of Brazilian goods a basket of U.S. goods buys)?
a. An increase in the quantity o... | a | null | null | null | null | null |
null | Find the volume of the solid generated by revolving the region bounded by the line y = 3x and the parabola {eq}y = 3x - x^2 {/eq} about the y-axis. | None | null | null | null | null | null |
null | Which of the following statements is most likely to be incorrect?
A. Comparative analysis involves comparing financial statements of a company across different accounting periods.
B. Inter-period income smoothing focuses on the sales revenue and the operating expense components of income.
C. Trend analysis focuses o... | None | null | null | null | null | null |
null | The Work in Process inventory account of a manufacturing company shows a balance of $3,000 at the end of an accounting period. The job cost sheets of two uncompleted jobs show charges of $500 and $300 for direct materials, and charges of $400 and $600 for direct labor.
From this information, it appears that the compan... | None | null | null | null | null | null |
null | Buffer X, pH 4.00
Buffer Y, pH 6.00
100.0 mL
100.0 mL
0.10 M acetic acid
0.10 M acetate
0.10 M acetic acid
0.10 M acetate
NaOH
0.10 M
NaOH
0.10 M
A scientist is studying the buffering capacity of these two buffers. When the scientist adds 1.0 mL of 0.10 M NaOH to the buffers, the change in pH is shown. Base... | None | null | null | null | null | null |
null | Lazarus Inc. has an inventory balance of $150,000 as of December 31, Year 1. The company is considering a change to the perpetual inventory system. The company wishes to continue using the LIFO inventory method and uses the perpetual inventory system. Under the perpetual system, which of the following will be the effec... | None | null | null | null | null | null |
null | The benefit of a narrow division of labor in an organization is
A) the reduction in the number of supervisors necessary.
B) it is easier to implement performance-enhancing technology.
C) increased flexibility in the use of human resources.
D) higher performance levels of each individual. | D | null | null | null | null | null |
null | Find the derivative of the function {eq}y=5t^4+\frac{2}{t^3}-2{/eq} at the point {eq}t=-2{/eq}. | None | null | null | null | null | null |
null | Which of the following is not an input variable in the basic AD/AS macro model?
A. Taxes
B. Savings rate
C. Government spending
D. Price level | None | null | null | null | null | null |
null | Maximize {eq}f(x, y) = x^2 + y^2
{/eq} subject to the constraint {eq}y - x^2 + 1 = 0
{/eq} using Lagrange Multipliers. | None | null | null | null | null | null |
null | Apogee Corporation purchased equipment at the beginning of 2012. The equipment cost $200,000 and had a useful life of 10 years. At the beginning of 2015, the company estimates the remaining life of the equipment to be 10 years. No residual value is expected. What amount of depreciation should the company recognize in 2... | None | null | null | null | null | null |
null | Kingsolver Company is evaluating a proposal to replace a fully depreciated bulldozer. The new cost of the bulldozer is $200,000, and it has a five-year life. The cash flows are as follows:
Year
Cash Flow
1
$100,000
2
65,000
3
50,000
4
... | None | null | null | null | null | null |
null | The costs that depend on output in the short run are:
a) total fixed cost only.
b) total variable costs only.
c) total costs only.
d) both total variable costs and total costs. | d | null | null | null | null | null |
null | Use implicit differentiation to find the equation of the tangent line to {eq}x^2y - 3x^3 = -7 {/eq} at {eq}(1,2) {/eq}. | None | null | null | null | null | null |
null | How do you find the integral #int dx/(sqrt(-x-x^2)# from #-1# to #0#? | None | null | null | null | null | null |
null | Which of the following is true?
a. If the marginal propensity to import increases, the multiplier increases.
b. If investment becomes less sensitive to changes in the interest rate, the multiplier increases.
c. If the slope of the AE curve is below 45o, the multiplier is greater than 1.
d. All of the above are corr... | None | null | null | null | null | null |
null | The annual rate of return of an investment is 12.75%. At this rate, how long will it take the investment to double? | None | null | null | null | null | null |
null | If the government imposed price floors on all goods and services, how would the aggregate supply (AS) curve look in the SR and LR?
A. It would be upward sloping in the SR and LR.
B. It would be vertical in the SR and horizontal in the LR.
C. It would be horizontal in the SR and vertical in the LR.
D. It would be up... | None | null | null | null | null | null |
null | _____ is/are included in comprehensive income according to the FASB's conceptual framework.
A. Operating Income
B. Neither Gross Margin nor Operating Income
C. Gross Margin and Operating Income
D. Gross Margin | C | null | null | null | null | null |
null | If capital stock and output are adjusted so that capital-labor ratio increases by 1%, and as a result output increases by more than 1%, then:
A. Returns to capital are negative.
B. Returns to capital are positive.
C. The production function is concave.
D. The production function is convex.
E. The marginal product ... | None | null | null | null | null | null |
null | A 50.0 mL sample of 0.200 M methylamine, {eq}\rm K_b = 3.7\times10^{-4}
{/eq}, is titrated with 0.200 M nitric acid. Calculate the pH after adding 40.0 mL of nitric acid. | None | null | null | null | null | null |
null | In 2017, Betts Company had sales on account of $598,000, cash sales of $243,000, and collections on account of $309,000. In addition, the company collected $14,200 which had been written off as uncollectible in 2016. As a result of these transactions, the change in the accounts receivable balance indicates a:
a. $244,... | None | null | null | null | null | null |
null | A bond's duration is 5.5 years. The market yield is 6%. If we expect the market yield to increase to 7%, what is the best approximation of the expected percentage change in the bond's price?
A. 80.2%
B. 31.9%
C. -9.7%
D. -31.9% | None | null | null | null | null | null |
null | Where does the plane tangent to z = x^3 - y^3 at (2,1,7) meet the z-axis? | None | null | null | null | null | null |
null | Sunlands Company bought Special Products Division in 2017 and appropriately recorded $756,000 of goodwill related to the purchase. On December 31, 2018, the fair value of Special Products Division is $6,350,000 and it is carried on Sunland's books for a total of $5,450,000, including the goodwill. An analysis of Specia... | c | null | null | null | null | null |
null | A study of the weight of 29,000 packages delivered by UPS in one week showed that the mean weight of the packages is 25.7 pounds.
Assuming the population standard deviation is 7.7 pounds, what is the 90% confidence interval for the population mean?
a. 25.10 to 26.30 lbs
b. 25.08 to 26.32 lbs
c. 24.10 to 27.30 lbs
... | None | null | null | null | null | null |
null | Refer to the table below. The marginal revenue product of labor when the number of workers increases from 2 to 3 is __________, and the marginal factor cost of the third worker is $ __________.
Marginal Product of labor (Output)
Price of output
Marginal revenue Product of labor
Wage rate
... | None | null | null | null | null | null |
null | The amount of fill in a half-liter (500 ml) soft drink bottle is normally distributed. The process standard deviation is 5 ml. If a random sample of 25 bottles is selected, what is the probability that the average fill amount is less than 498 ml? | None | null | null | null | null | null |
null | Which of the following statements is correct?
a) In an accounting world ruled by reliability we would be producing market value financial statements only
b) Reliability and relevance are conflicting objectives in designing an accounting system
c) Reliability and relevance are complementary (congruent) objectives in ... | None | null | null | null | null | null |
null | How does the profit-maximizing price for a monopolist with the demand function $P = 130 - Q$ and total costs $C(Q) = 10 + 5Q + Q^2$ change if the monopolist can now price-discriminate by charging different prices to consumers with different price elasticities of demand?
a. Increase
b. Decrease
c. No Change
d. The a... | None | null | null | null | null | null |
null | Use partial fraction to find the integral: {eq}\, \int \frac{1}{(x^2 + 1)^{\frac{3}{2}} } \, \mathrm{d}x | \frac{x}{\sqrt{x^2+1}}+C | null | null | null | null | null |
null | What does it mean when we say that an opportunity set is downward sloping?
a) The increase in funds required for the portfolio increases as we increase the portfolio's return
b) The increase in funds required for the portfolio decreases as we increase the portfolio's return
c) The decrease in funds required for the ... | None | null | null | null | null | null |
null | Five years ago, Agnes Corporation sold a bond issue with a face value of $1,000 per bond, a coupon interest rate of 6%, and a maturity date of 20 years. The bonds interest rate is paid semiannually. If an investor purchased one of these bonds on the issue date and sold it 5 years later for $1,250, what is the investor'... | None | null | null | null | null | null |
null | In a combined gas-steam power plant, a turbine with four stages of expansion is used for the net work output. Between the first and second stages, some of the steam is extracted at 500oC and 1000 kPa at a rate of 10,000 kg/h. Between the second and third stages, the flow is reheated at 500oC to 560oC, and between the t... | None | null | null | null | null | null |
null | In its first month of operation, Sweet Acacia Industries purchased three inventory items at the following costs:
Purchase DatePurchase Price
Item X: 1/2 $48 per unit
Item Y: 2/4 $42 per unit
Item Z: 3/7 $57 per unit
At the end of the month, two units of Item X, three units of Item Y, and one unit of Item Z remained.
... | None | null | null | null | null | null |
null | The formula to calculate the amount of chemicals needed to lower the pH of a solution, such as the one below, is:
n = (D * V) / (1000 * 10^pH)
Where:
n = amount of chemicals needed (in grams)
D = desired lowering in pH (in pH units)
V = volume of the solution (in liters)
pH = initial pH of the solution
A custome... | None | null | null | null | null | null |
null | Firm A and Firm B compete by making simultaneous pricing decisions. Firm A's demand is
Q_A = 72 - 4P_A + 4P_B
and its costs are LAC_A = LMC_A = $2.00. If firm B charges a price of $27.00, what is Firm A's profit maximizing price? | 23.5 | null | null | null | null | null |
null | Consider an asset that costs $441,000 and is depreciated straight-line to zero over its 8-year tax life. The asset is to be used in a 4-year project; at the end of the project, the asset can be sold for $63,000. Required:
If the relevant tax rate is 30%, what is the after-tax cash flow from the sale of this asset? | None | null | null | null | null | null |
null | Concord's current-year income statement, including total revenues and cost of goods sold, is given. Cost of goods sold consists of variable manufacturing overhead, fixed manufacturing overhead, and fixed overhead that is allocated to production.
Determine the contribution margin per unit.
Sales: $435,360
Variable... | None | null | null | null | null | null |
null | Fresnel's Equation. When light is incident at an angle \(\theta\) on a planar dielectric interface from an isotropic medium with a real dielectric constant \(\epsilon_1\) into another such medium with a real dielectric constant \(\epsilon_2\), the relative magnitudes of the transmitted and reflected waves are given by ... | None | null | null | null | null | null |
null | Faceblock, Gargle+, and SnapHat are rival firms in an oligopoly industry. If kinked-demand theory applies to these three firms, Faceblock's demand curve will be:
a. More elastic above the current price than below it.
b. Less elastic above the current price than below it.
c. Of equal elasticity both above and below t... | None | null | null | null | null | null |
null | Adam desires to purchase an annuity on January 1, 2014, that yields him four annual cash flows of $20,000 each, with the first cash flow to be received on January 1, 2018. The interest rate is 10% compounded annually. The cost (present value) of the annuity on January 1, 2014, is _____.
a. $64,938
b. $56,398
c. $60,... | None | null | null | null | null | null |
null | Why can't we distribute the limit over each term in the expression
$$\lim_{n\to \infty}\left[\frac{n}{n^2+1}+\frac{n}{n^2+2}+\frac{n}{n^2+3}+\cdots+\frac{n}{n^2+n}\right]$$
to conclude that the limit is 0? Why does this method fail, while the Squeeze Theorem gives the correct answer of 1? | 1 | null | null | null | null | null |
null | What is the present worth of a series of equal end-of-period cash flows plus a lump-sum cash flow made at the end of period 10, given that the value of P is $20,000, G = $2,000 per year, the interest rate is 9%, and n = 12 years? Draw the cash flow time diagram. Show your work. | None | null | null | null | null | null |
null | During the financial crisis of 2007-2009 the U.S. Federal Reserve used it's powers in all but which of the following ways:
a. lending to non-banks
b. accepting very illiquid collateral against its loans.
c. lower bank reserve requirements.
d. lowers it's policy rate to zero | None | null | null | null | null | null |
null | Which of the following factors move the demand curve for Canadian dollars and the supply curve for Canadian dollars in opposite directions?
A. The interest rate differential increases or decreases.
B. Canadian imports increase or decrease.
C. The world demand for Canadian exports increases or decreases.
D. The expe... | None | null | null | null | null | null |
null | The cost function of a product is {eq}C(x) = 0.3x^2 + 130x + 155{/eq}. Find the average cost over {eq}[0, 800]{/eq}. | None | null | null | null | null | null |
null | On December 15, 2016, Ralph gave his daughter, Barbara, stock that had an adjusted basis to Ralph of $8,000 and a fair market value on the date of the transfer of $6,000. Ralph paid a gift tax attributable to this transfer. Barbara sold the stock on June 19, 2017, for $10,000. What was the amount and character of the g... | None | null | null | null | null | null |
null | Find all the functions $f:\mathbb R\to\mathbb R$ which satisfy the following functional equation $$f(y+f(x))=f(x)f(y)+f(f(x))+f(y)-xy.$$ | f(x) = x | null | null | null | null | null |
null | Given a choice between calculating returns using the holding period return (HPR) or the formula for the future value, you should select the future value formula because the
A. HPR fails to consider the discounted value of the purchase price.
B. future value formula incorporates the timing of cash flows.
C. HPR overs... | None | null | null | null | null | null |
null | Use the following information for a competitive firm to answer the question(s) below:
Price $10
Marginal revenue $10
Marginal cost $5
Average total cost $5
Variable cost $3
Fixed cost $2
The firm is currently producing 2,000 units. To maximize its profit, this firm should:
A. decrease output.
B. increase outpu... | None | null | null | null | null | null |
null | Customer service is generally regarded as:
A. an item to be added to other marketing activities
B. more important than sales activity
C. nothing more than a neutral add-on activity
D. critical to establishing and maintaining long-term customer relationships | None | null | null | null | null | null |
null | For which values of $p$ is the sum $\sum\limits_{n=1}^\infty \frac{n^2}{n!+5^n}$ less than 30? | None | null | null | null | null | null |
null | How do I get to the final answer of 22 using the integral $\int_1^e \ln{x^2}dx$ and the substitution $u = \ln{x}$, given my work so far: $$\int_1^e \ln{x^2} dx = \int_1^e2\ln{x}dx=2\int_1^e\ln{x}dx=2\int_{u=0}^{u=1}u e^udu$$ | None | null | null | null | null | null |
null | A circular coil enclosing an area A = .01 m{eq}^2
{/eq} is made of 200 turns of copper wire. Initially, a uniform magnetic field of magnitude B = 1.10 T points upward in a direction perpendicular to the plane of the coil. The direction of the field then reverses in a time interval Δt. Determine how much charge enters ... | 0.88 C | null | null | null | null | null |
null | Use the characteristics method to find the solution of the equation:
{eq}\displaystyle \frac{\partial u}{\partial x}+2 x \frac{\partial u}{\partial y}=1;\quad u(x,0)=f(x)
{/eq}. | None | null | null | null | null | null |
null | Year's end financial statements for Hutson Company included the following items:
Inventories (valued at 12/31/08 cost) $82,000
Trade Receivables 215,000
Provision for Doubtful Debts (on Trade Receivables) 8,200
Patents 115,000
Land 375,000
Plant and Machinery 700,000
Cash at Bank 105,000
Cash 5,000
Investmen... | None | null | null | null | null | null |
null | I need to show that the sequence $x_n$ defined by $x_1 = \sqrt{3}$ and $x_{n+1} = \frac{1}{2}\left(x_n + \frac{3}{x_n^2}\right)$ is convergent. How can I approach this problem? | None | null | null | null | null | null |
null | Consider an investor with a marginal tax rate of 35% on interest and dividends. Further consider that he has decided to allocate $300,000 to the purchase of either a 30-year zero coupon bond or a bond that pays 4.8%, compounded semiannually. The investor can choose between a one-time tax deduction for the purchase of t... | None | null | null | null | null | null |
null | The XYZ Company manufactures computer monitors, for which demand has been fairly stable over the past year. For this reason, the company has decided to ignore just-in-time principles and maintain a stock of certain raw materials and work-in-process inventories to avoid being impacted if a particular supplier was delaye... | None | null | null | null | null | null |
null | Which of the following would not be an example of a fixed ordering cost?
a) Administrative cost incurred to place an order.
b) Trucking cost incurred to transport an order.
c) Labor cost incurred to receive an order.
d) Labor cost incurred to manufacture a part.
e) None of the above. | d | null | null | null | null | null |
null | The equilibrium level of employment is determined at that point where:
a) labour demand curve is parallel to labour supply curve
b) labour demand curve intersects labour supply curve in the short run
c) labour demand curve intersects labour supply curve in the long run
d) labour demand curve is perpendicular to lab... | None | null | null | null | null | null |
null | Hiltzik Corporation has $500,000 of debt outstanding that is selling for par value and has a coupon interest rate of 9 percent. It also has $1,000,000 of common stock outstanding, which is selling for $30 per share. The common stock has a beta of 1.2. If the market's required rate of return on the stock market is 11 pe... | None | null | null | null | null | null |
null | The Herfindahl-Hirschman index for a market that has four firms with market shares of 30 percent, 30 percent, 20 percent, and 20 percent is?
A. 1600.
B. 2400.
C. 3600.
D. 1800. | None | null | null | null | null | null |
null | Suppose that $S = \sum_{n=0}^\infty \frac{2^n}{\binom{n}{0}-\binom{n}{1}+\binom{n}{2}-\cdots+(-1)^n\binom{n}{n}}$, find $\lfloor S\rfloor$. | None | null | null | null | null | null |
null | In my textbook, the solutions for the sum of $a + (a+d) + (a+2d)+...+(a+(n-2)d) + (a+(n-1)d)$ is given as $n/2 (2a + (n-1)d)$. Why does this formula work? | None | null | null | null | null | null |
null | Verify the divergence theorem using the vector field \(\vec{F} = 4x\vec{i} - 2y^{2}\vec{j} + z^{2}\vec{k}\), if the enclosed surface is the cylinder \(x^{2} + y^{2} = 4\) between \(z = 0\) and \(z = 3\). | 84\pi | null | null | null | null | null |
null | Evaluate the surface integral $\int_{S}\int F\cdot ndS$ for the surface S defined by the equation $x^2+y^2+z^2=9$, where the component functions of the vector field F are $F_1(x,y,z)=z, \;F_2(x,y,z)=x, \;F_3(x,y,z)=y$. Use the formula $F\cdot n=\frac{1}{||\nabla(x^2+y^2+z^2-9)||}(z\frac{\partial (x^2+y^2+z^2-9)}{\parti... | None | null | null | null | null | null |
null | Which of the following is NOT an economic way to deal with a market failure?
a. imposing a higher price on buyers.
b. subsidizing production by the government.
c. increasing barriers to new firms entering the market.
d. All of the above are ways to deal with market failure. | None | null | null | null | null | null |
null | Suppose a firms in an industry are not hiring workers because they are experiencing a decline in revenues. The industry is most likely:
A) monopolistic competition
B) perfectly competitive
C) monopoly
D) oligopoly
E) none of the above | None | null | null | null | null | null |
null | ABC Company has two service departments and two operating (production) departments. The Cost of Producing Department cost is allocated to the two operating departments in proportion to the number of employees in each. The Maintenance Department cost is allocated to the two operating departments in proportion to the squ... | None | null | null | null | null | null |
null | A closed system of mass 3 kg undergoes a process in which there is work of magnitude 3 kJ to the system from the surroundings. The elevation of the system increases by 300 m during the process. The specific internal energy of the system decreases by 2 kJ/kg and there is no change in kinetic energy of the system. The ac... | None | null | null | null | null | null |
null | A mix of two miscible solvents may be used as the solvent for recrystallization when:
a.) One solvent cannot dissolve the sample when cold but can when hot
b.) One solvent cannot dissolve the sample when hot but can when cold
c.) One solvent cannot dissolve the sample when cold but slightly when hot
d.) One solvent... | a | null | null | null | null | null |
null | Why is there a difference in the per-unit cost of the special order between the variable cost per unit and the total cost per unit, and what is the manager's concern regarding the low total cost per unit?
a) Total cost per unit is always higher than variable cost per unit because fixed manufacturing overhead is not in... | None | null | null | null | null | null |
null | Suppose the price of labor increases. If the total product of labor decreases, we can conclude that:
a. marginal cost will increase
b. average variable cost will increase
c. total costs will increase
d. all of the above are correct | None | null | null | null | null | null |
null | For which $n \in \mathbb{N}$ is the field $\mathbb{Q}(\zeta + \zeta^{-1})$ a cyclic extension of $\mathbb{Q}$, where $\zeta = \cos \frac{2\pi i}{n}$ is a primitive $n$-th root of unity in $\mathbb{C}$? Given that $[\mathbb{Q}(\zeta) : \mathbb{Q}(\zeta + \zeta^{-1})] = 2$, and the minimal polynomial of $\zeta$ over $\ma... | None | null | null | null | null | null |
null | Singh Inc. produces and sells two products. Data concerning those products for the most recent month appear below:
Product N37HProduct V21P
Sales$56,700$41,500
Variable expenses$26,800$27,100
The fixed expenses of the entire company were $34,550. What is the break-even point for the entire company?
a. $54,000
b. ... | None | null | null | null | null | null |
null | How can I calculate the value of $e^{-\frac{1}{2}}$, given that I can approximate the value of $e^x$ as $(1+x)^\frac{1}{x}$ for $x \in ]-1,0[$, and I can't use a calculator to find $\frac{-1}{2}$? | None | null | null | null | null | null |
null | Which of the following is not disclosed in a statement of cash flows using the direct method?
a. The amount of income taxes paid.
b. The major classes of gross cash receipts and gross cash payments.
c. A reconciliation of net income to net cash flow from operations.
d. A reconciliation of ending retained earnings t... | d | null | null | null | null | null |
null | In 2017, Andy earned $5,500 cash for lawn mowing and $500 in interest from his savings. He deducted $100 in interest paid on his home mortgage as well as $600 in interest paid on his credit card as miscellaneous itemized deductions. His adjusted gross income is
a. $1000
b. $3900
c. $4500
d. $6100
e. $6400 | None | null | null | null | null | null |
null | Consider a town in which only two residents, Mike and Leah, own wells that produce water safe for drinking. Mike and Leah can pump and sell as much water as they want at no cost. For them, revenue equals profit. The table below shows the town's demand schedule for water. If the market for water were perfectly competiti... | None | null | null | null | null | null |
null | Sarver Corporation uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on 19,000 machine-hours, a total fixed manufacturing overhead cost of $20,900, and a variable manufacturing overhead rate ... | None | null | null | null | null | null |
null | Use the sample information x = 37, σ = 7, n = 20 to calculate the test statistic and p-value for a right-tailed test. Is this a close decision? Explain. | None | null | null | null | null | null |
null | Air enters the after-cooler of a reciprocating air compressor at 170 kPa, 35{eq}^{\circ}
{/eq}C and leaves at 100 kPa and 20{eq}^{\circ}
{/eq}C. The volume flow rate of air is 100 m{eq}^3{/eq}/min.
Calculate the rate of heat transfer from the air using the table below.
T, {eq}^{\circ}{/eq}C h, kJ/kg T, {eq}^{\ci... | None | null | null | null | null | null |
null | (Q.1) The Brisbane Entertainment Centre is a performance venue, which hosts popular musicians from around the world. It has a maximum seating capacity of 13,500 people. In 2015, an artist priced their performance at a price of $50 per ticket and the show was completely sold out. The next year the same performer decided... | b | null | null | null | null | null |
null | A monopolist, where marginal cost = $40 - 0.02Q^2$, wants to set a price to maximize profits. What output and price should it choose? Choose from below. {eq}\text{A. }Q^* = 50, P^* = $20
\text{B. }Q^* = 20, P^* = $60
\text{C. }Q^* = 100, P^* = $40
\text{D. }Q^* = 100, P^* = $10
{/eq} | None | null | null | null | null | null |
null | Use the series approximation $e^x\approx 1+x$ to estimate the area under the curve of $y=e^{-x}$ on the interval $[0,1]$. Compute the limit of the error as the number of rectangles in the Riemann sum approaches infinity. | None | null | null | null | null | null |
null | I have to evaluate the volume integral $$\iiint x y d V$$ using cylindrical coordinates, where $V$ is bounded by $z=\sqrt{9-x^{2}-y^{2}}$ and $z=0$. I have an answer of $0$, and I get this by integrating $\int_{0}^{2 \pi} \int_{0}^{3} \int_{0}^{\sqrt{9-r^{2}}} r^{2} \sin (\theta) d z d r d \theta$. However, I am also g... | None | null | null | null | null | null |
null | Which one of the following best describes the term structure of interest rates?
a. the relationship among the yields of different securities with the same maturity
b. the relationship among the yields of different securities with different maturities
c. the relationship among the prices of different securities with ... | None | null | null | null | null | null |
null | A firm is making a loss selling 25,000 units of output at {eq}\$45
{/eq} per unit. The fixed costs are {eq}\$600,000
{/eq}, and the variable costs are {eq}\$37
{/eq} per unit.
Should the firm produce or shut down?
A) The firm should produce because {eq}MC > ATC
{/eq}.
B) The firm should produce because {eq}MC > ... | None | null | null | null | null | null |
null | Calculate the molar concentration of uncomplexed Zn^2+ in a solution that contains 0.20 mole of Zn(NH_3)_4^2+ per liter and 0.0116 M NH_3 at equilibrium? The overall K_f for Zn(NH_3)_4^2+ is 3.8 * 10^9.
a) 2.9 * 10^-3 M
b) 8.8 * 10^-3 M
c) 6.7 * 10^-4 M
d) 2.0 * 10^-13 M
e) none of these | A | null | null | null | null | null |
null | $$\lim_{n\to\infty}\left(1+\frac{2}{1}\right)^\frac{1}{1}+\left(1+\frac{2}{2}\right)^\frac{2}{2}+\left(1+\frac{2}{3}\right)^\frac{3}{2}+\left(1+\frac{2}{4}\right)^\frac{4}{2}+...+\left(1+\frac{2}{n}\right)^\frac{n}{2}$$ | None | null | null | null | null | null |
null | A weakness in internal control over recording retirements of equipment may cause an auditor to:
a. review the subsidiary ledger to ascertain whether depreciation was taken on each item of equipment during the year.
b. select certain items of equipment from the accounting records and locate them in the plant.
c. insp... | None | null | null | null | null | null |
null | In a television picture tube, electrons are accelerated by an electric field with an average magnitude of {eq}\displaystyle 2.0 \times 10^{5} \ N/C
{/eq}. The electrons then pass through a 0.40 - {eq}\displaystyle T
{/eq} magnetic field, which deflects them into a circular path. Find the radius of the path for an ele... | None | null | null | null | null | null |
null | Identify the cost of equity as calculated by using the CAPM. Assume:
{eq}\beta
{/eq} = 0.6
risk-free rate = 4%
required return on market portfolio = 12%
A. 6%
B. 8%
C. 9.2%
D. 4% | None | null | null | null | null | null |
null | Lerner Company is considering the purchase of equipment that costs $14,000 and is estimated to have no salvage value at the end of its 8-year useful life. If the straight-line method of depreciation is used, what is the average rate of return expected on this investment assuming that the equipment produces cash inflows... | None | null | null | null | null | null |
null | Glasgow Enterprises started the period with 65 units in beginning inventory that cost $2.60 each. During the period, the company purchased inventory items as follows.
PurchaseNo. of ItemsCost
1300$3.10
2200$3.20
355$3.60
Glasgow sold 325 units after purchasing 3 for $10.90 each.
Glasgow's cost of goods sold under FI... | $975 | null | null | null | null | null |
null | Jeff is a 40% partner in the J & L partnership and J Company, a closely held corporation, provides 55% of the company's goods and services. Included in Jeff's adjusted basis in his partnership interest is $75,000 of the J Company stock. During the current tax year, J Company (whose stock has a market value of $200,000)... | None | null | null | null | null | null |
null | An investor is considering the purchase of a U.S. Government bond that is insured by the U.S. Treasury. This investor can be confident that this security is free of:
A) market risk.
B) interest rate risk.
C) default risk.
D) all of the above. | None | null | null | null | null | null |
null | Landram Corporation makes a product with the following standard costs:
Inputs Standard Quantity or Hours Standard Price or Rate
Direct materials 2.0 kilos$7.00 per kilo
Direct labor 1.0 hours$18.00 per hour
Variable overhead 1.0 hours$2.00 per hour
In March the company produced 4,700 units using 10,160 kilos of dire... | None | null | null | null | null | null |
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