If you make $120,000 a year living in the region of Louisiana, USA, you will be taxed $34,599. That means that your net pay will be $85,401 per year, or $7,117 per month. Your average tax rate is 28.8% and your marginal tax rate is 37.2%. 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 $37.20, hence, your net pay will only increase by $62.80.
A $1,000 bonus will generate an extra $628 of net incomes. A $5,000 bonus will generate an extra $3,140 of net incomes.