Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal A B D $(96,000) $(106,000) $ (76,000) $ (129,000) 126,720 153,700 109,440 175,440 $ 30,720 $ 47,700 $ 33,440 $ 46,440 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. Project Profitability Index Rank Preference Investment Proposal A B D