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 B D $(430,000) $(70,000) $(80,000) $(2,850,000) 633,500 98,7ee 124, 4ee 3,884,200 $ 203,500 $ 28,700 $ 44,400 $ 954,200 6 years 5 years 7 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