Hazel Ridge Company is considering a capital investment proposal with an initial cost of $72,000. The asset is depreciated over a six-year period on the straight-line basis for both book and tax purposes. No salvage value is expected at the end of the asset life. The before-tax cash inflow for the project is $27,(XX) per year. The income tax rate is 40 percent, and the company's after-tax cost of capital is 15 percent.

Compute the following:

a. Accounting rate of return on average investment.

b. Payback reciprocal.

c. Internal rate of return (using a calculator, computer, or trial and error and interpolation).