Summary
If you make $99,975 a year living in the region of Arizona, USA, you will be taxed $25,110. That means that your net pay will be $74,865 per year, or $6,239 per month. Your average tax rate is 25.1% and your marginal tax rate is 33.6%. 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 $33.55, hence, your net pay will only increase by $66.45.
Bonus Example
A $1,000 bonus will generate an extra $665 of net incomes. A $5,000 bonus will generate an extra $3,323 of net incomes.