Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal A B C D $(300,000) $(140,000) $(100,000) $(1,500,000) 424,800 191,700 151, 100 2,001,700 $ 124,800 $ 51,700 $ 51,100 $ 501,700 5 years 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 D