Sheffield Company purchased machinery on January 1, 2020, for $93,600. The machinery is estimated to have a salvage value of $9,360 after a useful life of 8 years. Compute 2020 depreciation expense using the straight-line method. Depreciation expense $ e Textbook and Media Compute 2020 depreciation expense using the straight-line method assuming the machinery was purchased on September 1, 2020. Depreciation expense $ e Textbook and Media