Information on four investment proposals is given below: Tovestment Proposal Investment required Present value of cash inflows $ (60,000) 88,600 Net present value 5 28,600 (190,000) 260,600 $70,600 Life of the project 5 years 7 years Required: C $ (110,000) 168,600 $58,600 6 years D $ (2,660,000) 3,551.000 $91.000 1. Compute the profitability index for each investment proposal. (Round your answers to 2 decimal places.) 2. Rank the proposals in terms of preference. Investment Profitability Proposal Index Rank Preference A B C D years