Use the after-tax IRR method to evaluate the following three alternatives using 60% bonus depreciation in Year 0 and 3-year MACRS, and offer a recommendation. The after-tax MARR is 25%, the project life is 5 years, and the firm has a combined incremental tax rate of 31%. Alternative First Cost Annual Costs Salvage Value $14000 $2500 $5000 18000 1000 10000 10000 5000 Use the after-tax IRR method to evaluate the following three alternatives using 60% bonus depreciation in Year 0 and 3-year MACRS, and offer a recommendation. The after-tax MARR is 25%, the project life is 5 years, and the firm has a combined incremental tax rate of 31%. Alternative First Cost Annual Costs Salvage Value $14000 $2500 $5000 18000 1000 10000 10000 5000