Summary
If you make $49,972 a year living in the region of South Dakota, USA, you will be taxed $8,060. That means that your net pay will be $41,912 per year, or $3,493 per month. Your average tax rate is 16.1% and your marginal tax rate is 20.0%. 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 $20.04, hence, your net pay will only increase by $79.96.
Bonus Example
A $1,000 bonus will generate an extra $800 of net incomes. A $5,000 bonus will generate an extra $3,998 of net incomes.