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Note 6 - Income Taxes
 6 Months Ended
Jun. 30, 2023
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

6. Income Taxes

 

In the second quarter of 2023, the state of Nebraska enacted legislation to reduce its corporate income tax rate for future years resulting in a $73 million reduction of our deferred tax expense.

 

In the second quarter of 2022, the state of Nebraska enacted legislation to reduce its corporate income tax rate for future years resulting in a $55 million reduction of our deferred tax expense.