Copper Labs has invested in a machine that costs $78,000, ha…
Copper Labs has invested in a machine that costs $78,000, has a useful life of six years, and has no salvage value at the end of its useful life. The machine is being depreciated by the straight-line method, based on its useful life. The machine will have a payback period of four years. Given these data, the simple rate of return on the machine is closest to (Ignore income taxes.):