4. 8.00 points Information on four investment proposals is given below: Investment Proposal C $ $ $ Investment required Present value of cash inflows Net present value Life of the project $ (150,000) 211,800 $ 61,800 5 years $ (80,000) 110,400 30,400 7 years $ (160,000) 241,600 81,600 6 years $ (910,000) 1,214,500 304,500 6 years Required: 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Investment Proposal Project Profitability Index 2. Rank the proposals in terms of preference. ODCBA O CABD O ABCD OBCAD