A company purchased factory equipment on June 1, 2021, for $160,000. It is estimated that the equipment will have a $10,000 salvage value at the end of its 10-year useful life. Using the straight-line method of depreciation, the amount to be recorded as depreciation expense at December 31, 2021, is O $7.500 O $8,750 O $6,250 O $15,000