(Ignore income taxes in this problem.) The Keego Company is planning a $200,000 equipment investment which has an estimated five-year life with no estimated salvage value. The company has projected the following annual cash flows for the investment. Assuming that the cash inflows occur evenly over the year, the payback period for the investment is: a. 0.75 years b. 1.67 years c. 4.91 years d. 2.50 years