Excess Present Value Index and Average Rate of Return Highpoint Company is evaluating five different capital expenditure proposals. The company's hurdle rate for net present value analyses is 12%. A 10% salvage value is expected from each of the investments. Information on the five proposals is as follows: a. Compute the excess present value index for each of the five proposals. Round answers to three decimal places. b. Compute the average rate of return for each of the five proposals. Round answers to one decimal place. For example, 0.4567 equals 45.7%