On January 1, Year 1, Silver Star Incorporated purchased equipment for $71,100. The equipment had a three-year estimated life with a $4,200 salvage value. Straight-line depreciation was used. At the beginning of Year 3, Silver Star revised the expected life of the asset to four years rather than three years. The salvage value was revised to $3,200. Required Compute the depreciation expense for each of the four years, Year 1Year 4.