Information on four investment proposals is given below Investment Proposal Investment required S (420,000) (200,000) $(170,000) (2,400,000) Present value of cash inflows Net present value Life of the project 589,700276,400 259,700 3,203,000 $ 169,700 $76.400 $ 89,700 $ 803,000 6 years 5 years7 years6 years Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) bject Investment Profitability Proposal Index 2 Rank the proposals in terms of preference OABCD ? BCAD CABD ODCBA