Find the investment’s accounting rate of return and its payback period

An investment costing $260,000 promises an after-tax cash flow of $93,600 per year for 6 years.

a. Find the investment’s accounting rate of return and its payback period.

b. Find the investment’s net present value at a 15 percent discount rate. 

c. Find the investment’s benefit-cost ratio (profitability index) at a 15 percent discount rate.

d. Find the investment’s internal rate of return.

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