Information on four investment proposals is given below: Investment Proposal A B C D Investment required $ (360,000 ) $ (150,000 ) $ (130,000 ) $ (1,200,000 ) Present value of cash inflows 506,000 210,300 197,300 1,601,100 Net present value $ 146,000 $ 60,300 $ 67,300 $ 401,100 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.