Information on four investment proposals is given below Investment Proposal Investment required $ (60,000) $ (70,000) S (40,000) S (990,000) 88,000 97,300 64,200 Present value of cash inflows Net present value Life of the project 1,318,700 $ 28,000 $27,300 $ 24,200 $ 328,700 6 years years 7 years 6 years Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Investment Profitability Project Proposal Index 2. Rank the proposals in terms of preference DCBA OABCD