The management of Revco Products is exploring four different investment opportunities. Information on the four projects under study follows Project Number 4 S(640,000) $(590,000) $(440,000) $(530,000) 680,400 Investment required 528,465 Present value of cash inflows at a 9% discount rate Net present value Life of the project 704,620 $ 64,620 7 years 661,810 71,810 $ 88,465 150,400 14 years 7 years 15% 4 years 21% Internal rate of returrn 12% 11% Because the company's required rate of return is 9%, a 9% discount rate has been used in the present value computations above. Limited funds are available for investment, so the company can't accept all of the available projects Required 1. Compute the project profitability index for each investment project. (Round your answers to 2 decimal places.) Project Profitability Index