Summary
If you make $139,977 a year living in the region of Missouri, USA, you will be taxed $41,578. That means that your net pay will be $98,399 per year, or $8,200 per month. Your average tax rate is 29.7% and your marginal tax rate is 35.5%. 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 $35.52, hence, your net pay will only increase by $64.48.
Bonus Example
A $1,000 bonus will generate an extra $645 of net incomes. A $5,000 bonus will generate an extra $3,224 of net incomes.