Exercise 12-5 Preference Ranking (L012-5) Information on four investment proposals is given below: Investment required Present value of cash inflown Net present value Life of the project Investment Proposal D $(116,000) $(126,000) $(96,000) S(159,000) 185,600 168,840 142,080 241, 680 $ 69,600 $ 42,840 $ 46,080$ 82,680 5 years 7 years 6 years 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. Investment Proposal Project Profitability Index Rank Preference A B c D