Exercise 11-4 (LO1, 2) Depreciation Computations-Five Methods Jon Seceda Furnace Corp. purchased machinery on May 1, 2020. The following are provided concerning the machinery. Machinery cost Estimated salvage value Estimated useful life $ 315,000 15,000 10 years Estimated production Estimated working hours 240,000 units 25,000 hours Actual hours used in 2021 2,650 hours Actual units produced in 2021 25,500 units Instructions: From the information given, compute the depreciation charge for 2021 under each of the following methods. (Round to the nearest dollar.) (a) Straight-line (b) Units-of-output (c) Working hours (d) Sum-of-years' digits Note: Use Excel's depreciation functions to solve when available. (e) Declining-balance (use 20% as the normal rate) (d) Sum-of-years' digits using SYD function (e) Declining-balance (use 20% as the normal rate)