9-87: Assume a cost improvement project has only a first cost of $100,000 and a monthly net savings, M. There is no salvage value. Graph the project's IRR for payback periods from 6 months to the project's life of N years. The firm accepts projects with a 2 year payback period or a 20% IRR. When are these standards consistent and when are they not?

(a)Assume that N = 3 years.

(b)Assume that N = 5 years.

(c)Assume that N = 10 years.

(d)What recommendation do you have for the firm about its project acceptance criteria?