Information on four investment proposals is given below: Investment required Present value of cash inflows Investment Proposal B D A $(430,000) $(50,000) $(50,000) $(1,820,000) 631,600 70,500 76,800 2,429,200 609,200 $ 201,600 $ 20,500 $ 26,800 $ Net present value Life of the project Required: 5 years 7 years 6 years 6 years 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 Rank Preference Index A 1.47.00 Second B 1.41.00 Third C 1.54.00 First D 1.33.00 Fourth