Information on four investment proposals is given below: $( 15 21 Investment required Present value of cash inflows Net present value Life of the project $ E 5 Required: 1. Compute the profitability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. nt Investment Proposal A B C $(150,000) $(80,000) $(160,000) 211,800 110,400 241,600 $ 61,800 $ 30,400 $ 81,600 flows 5 years 7 years 6 years dex for ound your .) s of Investment Proposal A B C D 0,000) $(80,000) $(160,000) $ (910,000) 1,800 110,400 241,600 1,214,500 1,800 $ 30,400 $ 81,600 $ 304,500 lears 7 years 6 years 6 years