Landrum Corporation is considering investing in specialized equipment costing $220,000. The equipment has a useful life of 5 years and a residual value of $20,000. Depreciation is calculated using the straight- line method. The expected net cash inflows from the investment are: Landrum Corporation's required rate of return on investments is 13%. What is the accounting rate of return on the investment? 2.98% 21.36% 3.18% 18.18%