Summary
If you make $9,960 a year living in the region of Oklahoma, USA, you will be taxed $795. That means that your net pay will be $9,165 per year, or $764 per month. Your average tax rate is 8.0% and your marginal tax rate is 9.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $9.93, hence, your net pay will only increase by $90.07.
Bonus Example
A $1,000 bonus will generate an extra $901 of net incomes. A $5,000 bonus will generate an extra $4,504 of net incomes.