Information on four investment proposals is given below: D Investment Proposal A B $(330,000) $ (40,000) $ (190,000) $ (2,380,000) 480,000 56,500 286,700 3,178,500 Investment required Present value of cash inflows Net present value Life of the project 96,700 $ 798,500 $ 150,000 $ 16,500 $ 5 years 7 years 6 years 6 years Required: 1. Compute the profitability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. Investment Profitability Proposal Index Rank Preference A B D