Year 1 2. 3 Cash Flow -$7,300 3,000 3.100 2,100 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 19 percent? (Click to select) (c) What is the profitability index for the cashflows if the relevant discount rate is 21 percent? (Click to select)