Exercise 13-5 Preference Ranking (LO13-5] Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal $(120,000) $(50,000) $(50,000) $ (360,000) 169,200 67,30079,000 476,000 $ 49,200 $ 17,300 $ 29,000 $ 116,000 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 Investment Proposal Profitability Rank Preference Index