or A firm is considering investing $60,000 in equipment that is expected to have a useful life of four years and is expected to reduce (save) the firm's labor costs by $15,000 per year. The equipment can be sold for $10,000 at the end of the period. Assume the firm pays a 40% income tax rate on its taxable income and uses the declining balance (200%) depreciation method. The firm's after tax MARR is 5% per year. a) What are the depreciation deduction amounts for years 1 through 4? 40 pts. b) What are the after-tax cash flow amounts for years 1 through 4? Is this investment profitable or not? 60 pts. 18:01