A company with $780,000 in operating assets is considering the purchase of a machine that costs $84,000 and which is expected to reduce operating costs by $16,000 each year. These reductions in cost occur evenly throughout the year. The payback period for this machine in years is closest to: a. .019 years
b. 5.3 yars
c. 48.8 years
d. 9.3 years