Glow Co. purchased machinery on January 1, 2015, for $880,000. The straight-line method is used and useful life is estimated to be 10 years, with a $80,000 salvage value. At the beginning of 2021, Glow spent $192,000 to overhaul the machinery. After the overhaul, Glow estimated that the useful life would be extended 4 years (14 years total), and the salvage value would be $40,000. The depreciation expense for 2021 should be:________.