XX Company purchased an Office Building on January 1, 2018, and the cost of the office building is 300,000 TL, and the residual value is 20,000 TL.The business believes that the office building will remain useful for 40 years, and at the end of 40 years, it will be worthless. If we they use straight-line depreciation method, which of the following is the depreciation for each period?