Information on four investment proposals is given below: A B Investment required Present value of cash inflows Net present value $ (60,000) 88,600 $ 28,600 $ (190,000) Investment Proposal C $ (110,000) 260,600 $ 70,600 168,600 $ 58,600 Life of the project. 5 years 7 years 6 years Required: D $ (2,660,000) 3,551,000 $ 891,000 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 Ranki Preference A B C D