4. Chapter 5 Problem statement: Final Finishing is considering 3 mutually exclusive alternatives for a new polisher. Each alternative has an expected life of 15 years and no salvage value. Polisher 1 requires an initial investment of $24,000 and provides annual benefits of $4,500. Polisher 2 requires an initial investment of $14,000 and provides annual benefits of $2,000. Polisher 3 requires an initial investment of $20,000 and provides annual benefits of $3,900. MARR is 12%/year.

a. What is the future worth of Polisher 1?

b. What is the future worth of Polisher 2?

c. What is the future worth of Polisher 3? (Round entry to two decimal places. The tolerance is 2.)

d. Which polisher should be recommended?