(Calculation of depreciation expense under straight-line, double-declining balance and units-of-activity) On January 1, 2020, a company purchased factory equipment for $188.000. It is estimated that the equipment will have a $15,875 salvage value at the end of its estimated 5-year useful life and is expected to be used for 45,000 hours. The hourly usage by year is: 2020 2021 2022 12,000 14,000 8,000 6,000 5,000 2023 2024 Assume that the company uses the double-declining balance method of depreciation. What amount of depreciation expense would be recorded for the fiscal year ending December 31, 2021