Information on four investment proposals is given below: Investment Proposal Investment required Present value of cash inflows Net present value Life of the project $ (330,000) (40,000) $ (190,000) (2,380,000) 286,7003,178,500 S 150,000 16,500 96,700 798,500 6 years 480,000 56,500 5 years 7 years 6 years Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Project Investment Profitability Proposal Index 2. Rank the proposals in terms of preference. OABCD O DCBA