9 points References Information on four investment proposals is given below: Investment Proposal A B C D Investment required 3 (790,000) 3 (120,000) 3 (120,000) $ (1,820,000) Present value of Cash inflows 1,121,300 163.300 182,000 2,427,200 Net present value 3 331.390 5 43.300 5 62.000 3 607.200 Life of the project 5 years 7 years 6 years 6 years Required: 1. Compute the protability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. com Check my work