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 $(134,000) $(144,000) $(114,000) $(186,000) 190, 280 218,880 159, 600 290, 160 $ 56,280 $ 74,880 $ 45,600 $ 104,160 5 years 7 years 6 years 6 years Required: 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 2. Rank the proposals in terms of preference. Investment Proposal Project Profitability Index Rank Preference A B C D