Summary
If you make $115,006 a year living in the region of Montana, USA, you will be taxed $33,605. That means that your net pay will be $81,401 per year, or $6,783 per month. Your average tax rate is 29.2% and your marginal tax rate is 37.7%. 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 $37.65, hence, your net pay will only increase by $62.35.
Bonus Example
A $1,000 bonus will generate an extra $624 of net incomes. A $5,000 bonus will generate an extra $3,118 of net incomes.