Consider the following cash flows:

Year - Cash Flow

0 $28,700

1 - 15,000

2 - 13,900

3 - 10,300

a. What is the profitability index for the cash flows if the relevant discount rate is 12 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.)

b. What is the profitability index if the discount rate is 17 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.)

c. What is the profitability index if the discount rate is 25 percent? (Do not round intermediate calculations and round