If you make $40,000 a year living in the region of Virginia, USA, you will be taxed $7,939. That means that your net pay will be $32,061 per year, or $2,672 per month. Your average tax rate is 19.9% and your marginal tax rate is 25.4%. 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 $25.40, hence, your net pay will only increase by $74.60.
A $1,000 bonus will generate an extra $746 of net incomes. A $5,000 bonus will generate an extra $3,730 of net incomes.