Brief Exercise 6-4 (Algo) Depreciation expense using the units-of-production method LO 6-4 Clean Air Company makes and sells cloth masks. The company purchased a new automated sewing machine at the beginning of Year 1 for $78,000. The machine is expected to have a two-year useful life and a $20,800 salvage value. The expected mask production is estimated at 114,400 masks. Actual print production for the two years was as follows: Required: Compute the depreciation expense for each of the two years, using units-of-production depreciation