Information on four investment proposals is given below: Investment Proposal B D Investment required $(136,000) $(146,000) $(116,000) $(189,000) Present value of cash inflows 209,440 216, 080 153, 120 275,940 Net present value $ 73,440 $ 70,080 $ 37,120 $ 86,940 Life of the project 5 years 6 years 6 years 7 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 Rank Project Profitability Index Preference A B D