Information on four investment proposals is given below: A B D Investment required Present value of cash inflows Net present value Life of the project Investment Proposal $(98,000) $ (108,000) $ (78,000) $ (132,000) 129,360 149,040 115,440 211,200 $ 31,360 $ 41,040 $ 37,440 $ 79,200 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 A B C D