A company purchased factory equipment on April 1, 2017 for $160,000. It is estimated that the equipment will have a $20,000 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, 2017 is Select one: a. $12,000 O b. $16,000. c. $10,500. d. $14,000