On November 1, 2020, Mountain Ski Corporation purchased a used snow grooming machine for $104,000. Management estimated the machines useful life at three years or 3,000 hours and an $8,000 residual value. The company used the machine for 500 hours in the year ended December 31, 2020, 1,000 hours in the year ended December 31, 2021, 1,200 hours in the year ended December 31, 2022, and 300 hours in the year ended December 31, 2023. How much depreciation expense should