"Pine Corp. purchased machinery for $700,000 on May 1, 2017. It is estimated that it will have a useful life of 10 years, residual value of $40,000, production of 240,000 units, and working hours of 25,000. During 2018, Pine Corp. uses the machinery for 2,650 hours, and the machinery produces 25,500 units. From the information given, depreciation expense for 2018 under Sum-of-the-years'-digits method would be. (Round to the nearest dollar.)"

"$40,000 "

"$72,000 "

"$112,000 "

None of above