The management of Cottingham & Butler Corporation is analyzing the following four investment proposals: Investment required Present value of cash inflows Net present value Life of the project Investment Proposal A B D $(120,000) $(50,000) $(50,000) $(360,000) 169,200 67,300 79,000 476,000 $ 49,200 $ 17,300 $ 29,000 $116,000 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 D