Information on four investment proposals is given below: Investment Proposal Investment required Present value of cash inflows $ (90,000) $(100,000) $(70,000) $(120,000) 138,000 105,000 $ 36,000 $ 38,000 $35,000 40,000 7 years 6 years 126,000 160,000 Net present value Life of the project 5 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 Profitability Preference Rank Proposal Index