Update exercises/cut_off.py

exercises/cut_off.py

@@ -21,7 +21,7 @@ def adjust_calculation(df2):
     df2.loc[5, 'Resource COG'] = st.slider("Au Recover", 60., 95., 90., 1.0, key="cgsl5")
   with colx3:
     st.markdown("Metal Prices")
-    df2.loc[16, 'Resource COG'] = st.slider("Cu Price ($/lbs)", 2.5, 10.0, 3.25, 0.1, key="cgsl6")
+    df2.loc[16, 'Resource COG'] = st.slider("Cu Price ($/lbs)", 2.5, 10.0, 3.50, 0.1, key="cgsl6")
     df2.loc[17, 'Resource COG'] = float(st.slider("Au Price ($/oz)", 1000.0, 2000.0, 1500.0, 100.0, key="cgsl7"))
   with colx4:
     st.markdown("Other")