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Income Taxes
6 Months Ended
Jun. 30, 2024
Income Taxes  
Income Taxes

9.    Income Taxes

The effective income tax rates for the three months ended June  30, 2024 and 2023 were 25.1% and 26.2%, respectively. For the six months ended June 30, 2024 and 2023, the effective tax rate was 25.9% in both periods. The 2024 and 2023 effective tax rates differed from the federal rate of 21% primarily because of state taxes.