Summary
If you make $11,908 a year living in the region of Arizona, USA, you will be taxed $1,232. That means that your net pay will be $10,676 per year, or $890 per month. Your average tax rate is 10.4% and your marginal tax rate is 10.4%. 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 $10.39, hence, your net pay will only increase by $89.61.
Bonus Example
A $1,000 bonus will generate an extra $896 of net incomes. A $5,000 bonus will generate an extra $4,481 of net incomes.