Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project A Investment Proposal B C D $(96,000) $(106,000) $(76,000) $(129,000) 126, 720 153,700 109, 440 175,440 $ 30,720 $ 47,700 $ 33, 440 $ 46,440 7 years 6 years 5 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