Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project $ (430,000) 631,600 $ 201,600 5 years Investment Proposal B $ (50,000) $ (50,000) $ (1,820,000) 70,500 76,800 2,429,200 $ 20,500 $ 26,800 $ 609,200 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