Profitability index for the above set of cash flows if the relevant discount

Question: Profitability index for the above set of cash flows if the relevant discount

Year Cash Flow 0 $-28,600       1 15,100       2 13,800       3 10,200

Requirement 1: What is the profitability index for the above set of cash flows if the relevant discount rate is 11 percent? (Do not round intermediate calculations. Round your answer to 3 decimal places (e.g., 32.161).)      Profitability index

Requirement 2: What is the profitability index if the discount rate is 16 percent? (Do not round intermediate calculations. Round your answer to 3 decimal places (e.g., 32.161).)        Profitability index

Requirement 3: What is the profitability index if the discount rate is 23 percent? (Do not round intermediate calculations. Round your answer to 3 decimal places (e.g., 32.161).)      Profitability index