Information on four investment proposals is given below: Investment Proposal B C D $(130,000) $(140,000) $ (150,000) $ (1,260,000) Investment required Present value of cash inflows Net present value Life of the project 185,600 193,800 228,600. 1,681,100 $ 55,600 $ 53,800 $ 78,600 $ 421,100 5 years 7 years 6 years 6 years Required: 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. Investment Proposal Project Profitability Rank Preference Index A B C D