Information on four investment proposals is given below: Investment Proposal A " Investment required Present value of cash inflows Net present value $ (270,000) 393,500 $123,500 $ (90,000) 127,100 $37,100 Life of the project 5 years 7 years Required: C $ (100,000) 151,300 $51,300 6 years D $ (2,800,000) 3,738,500 $ 938,500 1. Compute the profitability Index for each Investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. Investment Profitability Proposal Rank Index Preference A B C D 6