Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Required: Investment Proposal B D $(108,000) $(118,000) $(88,000) $(147,000) 146,880 158,120 130,240 220,500 $ 38,880 $40,120 $42,240 $ 73,500 5 years 7 years 6 years 6 years 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 Rank Preference Index ABCD