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 $(120,000) $(130,000) $(100,000) $ (165,000) 170,400 213,200 152,000 221,100 $ 50, 400 $ 83,200 $ 52,000 $ 56,100 5 years 7 years 6 years 6 years Required: 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decima 2. Rank the proposals in terms of preference. Investment Proposal Project Profitability Rank Preference Index Third First Second Fourth B D ********