Summary
If you make $109,990 a year living in the region of Arizona, USA, you will be taxed $28,509. That means that your net pay will be $81,481 per year, or $6,790 per month. Your average tax rate is 25.9% and your marginal tax rate is 34.3%. 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 $34.31, hence, your net pay will only increase by $65.69.
Bonus Example
A $1,000 bonus will generate an extra $657 of net incomes. A $5,000 bonus will generate an extra $3,285 of net incomes.