Summary
If you make $99,938 a year living in the region of Arizona, USA, you will be taxed $25,098. That means that your net pay will be $74,840 per year, or $6,237 per month. Your average tax rate is 25.1% and your marginal tax rate is 33.0%. 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 $32.96, hence, your net pay will only increase by $67.04.
Bonus Example
A $1,000 bonus will generate an extra $670 of net incomes. A $5,000 bonus will generate an extra $3,352 of net incomes.