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Income Taxes
3 Months Ended
Mar. 31, 2023
Income Taxes  
Income Taxes

9.  Income Taxes

The effective income tax rates for the three months ended March 31, 2023 and 2022 were 25.6% and 26.5%, respectively. The 2023 and 2022 effective tax rates differed from the federal rate of 21% primarily because of state taxes. The 2023 and 2022 effective tax rates differed from the federal rate of 21% primarily because of state and foreign taxes.