(Depreciation Computations-Five Methods) Wenner Furnace Corp. purchased machinery for $279,000 on lanuary 1 . 2021. It is estimated that it will have a useful life of 10 years, residual value of $15,000, production of 240,000 units, and working hours of 25,000 . During 2021, Wenner Corp. uses the machinery for 2,650 hours, and the machinery produces 25,500 units. Instructions From the information given, compute the depreciation charge under each of the following methods. (Round to the nearest dollar.) (a)Straight-line. (b) Units-of-output for 2021 (c) Working hours for 2021 (d) Sum-of-the-years'-digit for 2021-2023 (e) Double-declining-balance for 2021-2023