Summary
If you make $120,857 a year living in the region of South Carolina, USA, you will be taxed $36,938. That means that your net pay will be $83,919 per year, or $6,993 per month. Your average tax rate is 30.6% and your marginal tax rate is 38.7%. 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 $38.65, hence, your net pay will only increase by $61.35.
Bonus Example
A $1,000 bonus will generate an extra $614 of net incomes. A $5,000 bonus will generate an extra $3,068 of net incomes.