Information on four investment proposals is given below: Investment Proposal A B C D Investment required $ (60,000) $ (130,000) $ (140,000) $ (2,100,000) Present value of cash inflows 86,600 181,100 213,900 2,803,200 Net present value $ 26,600 $ 51,100 $ 73,900 $ 703,200 Life of the project 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. D C B A B C A D A B C D C A B D