Information on four investment proposals is given below: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal $(240,000) $ (42,000) $(180,000) $(1,900,000) 337,300 53,500 271,800 2,536,700 $ 97,300 $ 15,000 $ 91,800 $ 636,700 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. Investment Proposal Project Profitability Index Rank Preference B