Zuber company purchased equipment on 1/1/2015 at cost of $600,000, estimate life of 12 year with residual value of $,12,000. Zuber company uses straight-line depreciation. In 2020, Zuber Company revised its total estimated life to years, with no residual value. The change in depreciation method is effective in January 1, 2020. The company has a December 31 fiscal year end. Indicate the amount depreciation expense reported on the income statement for year end in 2018, 2019 and 2020