import matplotlib.pyplot as plt

def plot_tax_breakdown(income, tax, deductions, credits):
    labels = ["Tax Payable", "Deductions", "Tax Credits", "Net Income"]
    values = [tax, deductions, credits, income - tax]

    plt.pie(values, labels=labels, autopct="%1.1f%%", startangle=140)
    plt.title("Tax Breakdown")
    plt.show()