University Car Wash built a deluxe car wash across the street from campus. The new machines cost $$225,000,$ including installation. The company estimates that the equipment will have a residual value of $$22,500.$ University Car Wash also estimates it will use the machine for six years or about $12,500$ total hours. Actual use per year was as follows:

Year Hours Used

$13,100$

$21,600$

$31,700$

$42,300$

$52,100$

$61,700$