Summary
If you make $6,912 a year living in the region of Montana, USA, you will be taxed $653. That means that your net pay will be $6,259 per year, or $522 per month. Your average tax rate is 9.5% and your marginal tax rate is 9.8%. 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 $9.77, hence, your net pay will only increase by $90.23.
Bonus Example
A $1,000 bonus will generate an extra $902 of net incomes. A $5,000 bonus will generate an extra $4,512 of net incomes.