Alesi Corporation is considering purchasing a machine that would cost $740, 350 and have a useful life of 12 years. The machine would reduce cash operating costs by $87, 100 per year. The machine would have a salvage value of $107, 160 at the end of the project. a. Compute the payback period for the machine. Payback period years b. Compute the simple rate of return for the machine. Simple rate of return %