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Heidi Company is considering the acquisition of a machine that costs $677,820. The machine is expected to have a useful life of six years, a negligible residual value, an annual net cash flow of $85,800, and annual operating income of $66,000. What is the estimated cash payback period for the machine (round to one decimal point)? Oa. 4.5 years Ob. 7.9 years Oc. 10.3 years Od. 1.3 years The amount of the estimated average income for a proposed investment of $87,000 in a fixed asset, giving effect to depreciation (straight-line method), with a useful life of four years, no residual value, and an expected total income yield of $26,300, is a. $6,575 Ob. $26,300 c. $21,750 d. $17,200 The amount of the average investment for a proposed investment of $206,000 in a fixed asset with a useful life of four years, straight-line depreciation, no residual value, and an expected total net income of $22,800 for the four years is Oa. $51,500 Ob. $103,000 Oc. $5,700 Od. $22,800 Which of the following is not an advantage of the average rate of return method? a. takes into consideration the time value of money Ob. emphasizes accounting income Oc. easy to use Od. includes the amount of income earned over the entire life of the proposal