Jason Corporation has invested in a machine that cost $78,000, that has a useful life of six years, and that 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. It 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 in this problem.) (Round your answer to 1 decimal place.) 5.8% 4.7% 8.3% O 41.7%