Information on four investment proposals is given below: Investment Proposal Investment required Present value of cash inflows Net present value Life of the project S (60,000) S (70,000) (40,000) S (990,000) 1,318,700 $ 28,000 27,300 S 24,200 S 328,700 6 years 88,000 97,300 64,200 5 years 7 years 6 years Required 1. Compute the project profitability index for each investment proposal. (Round your answers to 2 decimal places.) Project Investment Profitability Proposal Index 2. Rank the proposals in terms of preference DCBA OBCAD OCAB D ABCD