A firm is considering investing $3,500 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 $12,500 per year. The equipment can be sold for $8,200 at the end of the period. Assume the firm pays a 16% income tax rate on its taxable income and uses the declining balance (150%) depreciation method. The firm's after-tax MARR is 32% per year. 40 pts. a) What is the depreciation deduction amounts for years 1 through 4? 60 pts. b) What are the after-tax cash flow amounts for years 1 through 47 Is this Investment profitable or not