The management of Revco Products is exploring four different investment opportunities. Information on the four projects under study follows: The net present values above have been computed using a 10\% discount rate. Limited funds are avalioble for investment, so the compony con't occept all of the available projects. Required: 1. Compute the profitability index for each investment project. 2. Rank the four projects according to preference, in terms of net present value. profitability index, and internal rate of return. Compute the profitability index for each investment project. Note: Round your answers to 2 decimal places. Rank the four projects according to preference, in terms of net present value, profitability