If you make $10,000 a year living in the region of Alabama, USA, you will be taxed $1,025. That means that your net pay will be $8,975 per year, or $748 per month. Your average tax rate is 10.3% and your marginal tax rate is 12.7%. 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 $12.65, hence, your net pay will only increase by $87.35.
A $1,000 bonus will generate an extra $874 of net incomes. A $5,000 bonus will generate an extra $4,368 of net incomes.