Information on four investment proposals is given below: Investment Proposal $ (190,000) (180,000) $(170,000) 249,400 259,300 (900,000) Investment required Present value of cash inflows Net present value Life of the project 267,400 1,197,500 $ 77,400 $ 69,400 89,300 $ 297,500 6 years 6 years rs r vears Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Answer is complete but not entirely correct. Project Investment Profitability Proposal Index 1.40 1.39 1.53 1.33