Information on four investment proposals is given below: A B Investment required Present value of cash inflows $ (130,000) 185,600 $ (140,000) 193,800 Investment Proposal C $ (150,000) 228,600 Net present value Life of the project $ 55,600 5 years $ 53,800 $ 78,600 7 years 6 years ces Required: D $ (1,260,000) 1,681,100 $ 421,100 6 years 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 C D