The expected average rate of return for a proposed investment of $6,590,000 in a fixed asset, using straight-line depreciation, a useful life of 20 years, no residual value, and an expected total income of $13,180,000 over the 20 years, is (round to two decimal places) a. 40.00% b. 1.00% c. 10.00% d. 20.00% Hayden Company is considering the acquisition of a machine that costs $453,000. The machine is expected to have a useful life of 6 years, a negligible residual value, an annual net cash inflow of $90,000, and annual operating income of $76,500. The estimated cash payback period for the machine is (round to one decimal place) a. 7.1 years b. 5.9 years c. 5.0 years d. 1.2 years