Swifty Company purchased machinery on January 1, 2020, for $82,400. The machinery is estimated to have a salvage value of $8,240 after a useful life of 8 years Compute 2020 depreciation expense using the double-declining-balance method. Depreciation expense $ e Textbook and Media Comoute 2020 depreciation expense using the double-declining balance method, assuming the machinery was purchased on October 1, 2020 (Round answer to O decimal places, s. 5,125.) Depreciation expenses