A factory machine was purchased for $171000 on January 1, 2022. It was estimated that it would have a $28000 salvage value at the end of its 5 -year useful life. It was also estimated that the machine would be run 55000 hours in the 5 years. If the actual number of machine hours ran in 2022 was 5500 hours and the company uses the units-of-activity method of depreciation, the amount of depreciation expense for 2022 would be $14300. $34200. $28600. $17100