Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal B D $(360,000) $(50,000) $(140,000) $ (840,000) 506,900 67,600 214,300 1,121,400 $ 146,900 $ 17,600 $ 74,300 $ 281,400 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. Investment Proposal Project Profitability Index Rank Preference