Summary
If you make $13,992 a year living in the region of Missouri, USA, you will be taxed $1,190. That means that your net pay will be $12,802 per year, or $1,067 per month. Your average tax rate is 8.5% and your marginal tax rate is 19.6%. 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 $19.61, hence, your net pay will only increase by $80.39.
Bonus Example
A $1,000 bonus will generate an extra $804 of net incomes. A $5,000 bonus will generate an extra $4,020 of net incomes.