XYZ Company is considering investing in a project that requires an initial investment of $100,000 for some machinery. There will be net inflows of $20,000 for the first two years, $10,000 in years three and four, and $30,000 in year five. Finally, the machine has a salvage value of $25,000. It is depreciated by a straight-line depreciation rule. There are no interest expenses and taxes. Compute the average accounting return (AAR).