Information on four investment proposals is given below. Investment Proposal A B Investment required Present value of cash inflows Net present value $ (430,000) 633,500 $203,500 $ (70,000) 98,700 $ 28,700 $ (80,000) 124,400 $ 44,400 Life of the project 5 years 7 years 6 years Required: D $ (2,850,000) 3,804,200 $ 954,200 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 Rank Index Preference A B c D 6 years