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 D $(130,000) $(140,000) $(150,000) $(1,260,000) 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 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 C D