Tristen Company purchased a five-story office building on January 1, 2016, at a cost of $8,600,000. The building has a residual value of $200,000 and a 30-year life. The straight-line depreciation method is used. On June 30, 2018, construction of a sixth floor was completed at a cost of $2,090,000. Required: Calculate the depreciation on the building and building addition for 2018 and 2019 assuming that the addition did not change the life or residual value of the building.