nformation on four investment proposals is given below: Investment Proposal A B C D Investment required $ (900,000) $ (170,000) $ (90,000) $ (1,430,000) Present value of cash inflows 1,263,600 233,400 136,500 1,908,300 Net present value $ 363,600 $ 63,400 $ 46,500 $ 478,300 Life of the project 5 years 7 years 6 years 6 years Required: 1. Compute the profitability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference