Problem:
A business is considering an investment in one of two mutually exclusive projects. The discount rate used for Project A is 12%. Futher, Project A cost 15K and it would be depreciated using MACRS. It is expected to have an after-tax salvage value of 5K at the end of 6 years and to produce after-tax cash flows (including a depreciation) of 4K for each of the 6 years.
Project B costs 14,815 and would also be depreciated using MACRS. B is expected to have a zero salvage value at the end of its 6-year life and to produce after-tax cash flows (including depreciation) of $5,100 each year for 6 years. The companys marginal tax rate is 40%. What risk-adjusted discount rate will equate the NPV of project B to that of Project A.