(Ignore income taxes in this problem.) A company with $825,000 in operating assets is considering the purchase of a machine that costs $87,000 and which is expected to reduce operating costs by $19,000 each year. These reductions in cost occur evenly throughout the year. The payback period for this machine in years is closest to: 4.6 years 9.5 years 0.22 years 43.4 years