Find the after-tax rate of return for the following offshore platform equipment. The equipment, designed for special jobs, will cost $2,500, will have no salvage value, and will last 5 years. Revenue minus expensed is estimated to be $1,500 in year 1 and only $300 each additional year. The effective tax rate is 35%. (a) Use classical SL depreciation (b) Use MACRS (GDS) depreciation Table 1 MACRS Rates Year Recovery Rates 1 0.2000 2 0.3200 3 0.1920 4 0.1152 5 0.1152 6 0.0576