Year 1 2 3 Cash Flow -$7,700 3,700 4,900 5,500 Required: (a) What is the profitability index for the cashflows if the relevant discount rate is 10 percent? (Click to select) (b) What is the profitability index for the cashflows if the relevant discount rate is 16 percent? (Click to select) (c) What is the profitability index for the cashflows if the relevant discount rate is 23 percent? (Click to select)