Information on four investment proposals is given below: D Investment required Present value of cash inflows Net present value Life of the project Investment Proposal $(360,000) $(150,000) $(130,000) $(1,200,000) 506,000 210,300 197,300 1,601,100 $ 146,000 $ 60,300 $ 67,300 $ 401,100 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 Profitability Project Rank Proposal Preference Index