Summary
If you make $12,979 a year living in the region of Mississippi, USA, you will be taxed $1,232. That means that your net pay will be $11,747 per year, or $979 per month. Your average tax rate is 9.5% and your marginal tax rate is 20.6%. 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 $20.59, hence, your net pay will only increase by $79.41.
Bonus Example
A $1,000 bonus will generate an extra $794 of net incomes. A $5,000 bonus will generate an extra $3,971 of net incomes.