Year Cash Flow 0 $18,400 1 . 3 10,700 9,600 6,100 a. What is the profitability index for the set of cash flows if the relevant discount rate is 11 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) b. What is the profitability index for the set of cash flows if the relevant discount rate is 16 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) c. What is the profitability index for the set of cash flows if the relevant discount rate is 23 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) a. Profitability index b. Profitability index c. Profitability index