Information on four investment proposals is given below Investment Proposal S (120,000) (50,000) $ (50,000) S (360,000) S 49,200 S 17,300 $ 29,000 S 116,000 Investment required 67,300 79,000 Present value of cash inflows Net present value Life of the project 169,200 476,000 5 years 7 years 6 years 6 years Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Investment Profitability Project Proposal Index 2. Rank the proposals in terms of preference O CABD ODCBA OABCD OBCAD