P9-15 Calculating Profitability Index [LO7] Year Cash Flow 0 -$8,400 2,500 4,000 2,300 Required: (a) What is the profitability index for the cashflows if the relevant discount rate is 8 percent? (Click to select) (b) What is the profitability index for the cashflows if the relevant discount rate is 15 percent? (Click to select) (c) What is the profitability index for the cashflows if the relevant discount rate is 23 percent? (Click to select) 0123