Jon Bridgeport Furnace Corp. purchased machinery for $921,000 on May 1, 2020. It is estimated that it will have a useful life of 10 years, residual value of $21,000, production of 300,000 units, and working hours of 45,000. During 2021, Bridgeport Corp. uses the machinery for 2,650 hours, and the machinery produces 23,300 units. From the information given, calculate the following. Your answer is correct. Calculate the depreciation charge for 2021 under straight-line method. Depreciation charge 90,000 LINK TO TEXT Attempts: 1 of 3 used (b) x Your answer is incorrect. Try again. Calculate the depreciation charge for 2021 under units of production method. (Round per unit calculation to 2 decimal places, e.g. 15.75 and final answer to O decimal places, e.g. 5,275.) Depreciation charge 699,000