North Dakota Corporation purchased a machine for $20,000 in January 2021. North Dakota records a full year depreciation on assets in the year of purchase, and their year ends December 31". For financial reporting purposes , North Dakota depreciates the machine on a straight-line basis over a four- year period. There is no residual value. For tax purposes, depreciation expense on the machinery is 50% of cost in 2021, 30% in 2022, and 20 % in 2023. Pretax accounting income for 2021 was $150,000, which includes interest revenue of $ 20,000 from municipal bonds. The enacted tax rate is 30\% for all years . There are no other differences between accounting and taxable income. Current income taxes payable at December 31, 2021 are