Exercise 12-5 Preference Ranking [LO12-5] Information on four investment proposals is given below: Investment Proposal A B C D Investment required (000 095 'T) $ (000 '0E) $ (000 081) $ (080 '071) $ Present value of cash inflows 172, 000 250 , 000 48 , 600 2, 081, 000 Net present value $ 52, 000 $ 70,000 $ 18, 600 $ 521, 000 Life of the project 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