Year 0 WNO Cash Flow -$ 7,500 4,000 4,700 4,700 3 a. What is the profitability index for the cash flows if the relevant discount rate is 10 percent? Profitability index b. What is the profitability index for the cash flows if the relevant discount rate is 14 percent? Profitability index c. What is the profitability index for the cash flows if the relevant discount rate is 26 percent? Profitability index