On January? 2, 2017, Konrad Corporation acquired equipment for $500,000. The estimated life of the equipment is 5 years or $18,000 hours. The estimated residual value is $14,000. If Konrad Corporation uses the units of production method of? depreciation, what will be the debit to Depreciation Expense for the year ended December? 31, 2018, assuming that during this? period, the asset was used 6,000 hours?