How to calculate it with a BA II Plus Texas Instruments calculator? Please show the detailed steps for problem like N, PV, FV, PMT, I. I don't know how to do. Thank you so much!!!

Consider the following cash flows: Year 0 Cash Flow -$28,600 15,100 13,800 10,200 1 2 3 -Nm a. What is the profitability index for the 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 if the 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 if the 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 Profitability index C