Sage Hill Inc. purchased machinery on January 1, 2017, for $98,400. The machinery is estimated to have a salvage value of $19,200 after a useful life of 6 years. Compute 2017 depreciation expense using the straight-line method. Depreciation expense $ e Textbook and Media Compute 2017 depreciation expense using the straight-line method assuming the machinery was purchased on April 1, 2017. Depreciation expense $