Colorado Cleaning has a 5-year maximum acceptable payback period. The firm is considering the purchase of a new washing machine and must choose between two alternative ones. The first machine requires an initial investment of $25,000 and generates annual after-tax cash inflows of $6,500 for each of the next 8 years. The second machine requires an initial investment of $75,000 and provides an annual cash inflow after taxes of $9,500 for 15 years.
a. Determine the payback period for each machine.
b. Comment on the acceptability of the machines, assuming that they are independent projects.
c. Which machine should the firm accept? Why?
d. Do the machines in this problem illustrate any of the weaknesses of using payback? Discuss.