Information on four investment proposals is given below: B Investment Proposal Investment required Present value of cash inflows Net present value $ (300,000) 424,800 $ 124,800 $ (140,000) 191,700 $ 51,700 Life of the project 5 years 7 years Required: $ (100,000) 151,100 $51,100 6 years D $ (1,500,000) 2,001,700 $ 501,700 6 years 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 Rank Proposal Index Preference A B C D