For the declining-balance method, Sheridan Company uses the double-declining rate For the units-of-activity method, total machine hours are expected to be 35, 500. Actual hours of use in the first 3 years were: 2016, 800, 2017, 4, 200;and 2018, 5, 500. Compute the amount of accumulated depreciation on each machine at December 31, 2018. Accumulated Depreciation at December 31 If machine 2 was purchased on April 1 instead of July 1, what would be the depreciation expense for this machine in 2016? In 2017? Depreciation Expense