April 25-26, 2018 . Equipment was acquired on January 1, 2014, at a cost of $90,000. The equipment was originally esthm to have a salvage value of $5,000 and an estimated life of 10 years. Depreciation has been recorde December 31, 2017, using the straight-line method. On January 1, 2018, the estimated salvage valu AC224 through revised to $6,000 and the useful life was revised to a total of 8 years Instructions Determine the depreciation expense for 2018