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 $(330,000) $(40,000) $(190,000) $ (2,380,000) 480,000 56,500 286,700 3,178,500 $ 150,000 $ 16,500 $ 96,700 $ 798,500 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 Index Rank Preference