Jake Richards sold the tree trimmer (see Problem 8) after four years of service. If MACRS was

Question:

Jake Richards sold the tree trimmer (see Problem 8) after four years of service. If MACRS was used for the depreciation schedule, what is the after-tax cash flow from the sale of the trimmer (continue to use a 40% tax rate) if
a. The sales price was $35,000?
b. The sales price was $28,428.40?
c. The sales price was $21,000?