Year Cash Floww 0 $18,700 11,000 9,900 6,400 2 3 a. What is the profitability index for the set of cash flows if the relevant discount rate is 11 b. What is the profitability index for the set of cash flows if the relevant discount rate is c. What is the profitability index for the set of cash flows if the relevant discount rate is percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) 16 percent? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.) 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