Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Profitability Index Proposal A B C D A $ (790,000) 1,121,300 $ 331,300 Rank Preference 5 years Investment Proposal B $ (120,000) 168,300 $ 48,300 7 years C $ (120,000) 182,000 $ 62,000 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. D $ (1,820,000) 2,427,200 $ 607,200 6 years