Contemporary Engineering Economics 6th Edition by Chan Park

Exercise 12

A corporation is considering purchasing a machine that will save $150,000 per year before taxes. The cost of operating the machine (including maintenance) is $30,000 per year. The machine will be needed for five years, after which it will have a zero salvage value. MACRS depreciation will be used, assuming a three-year class life. The marginal income tax rate is 40%. If the firm wants 15% return on investment after taxes, how much can it afford to pay for this machine