Summary
If you make $9,960 a year living in the region of Maryland, USA, you will be taxed $1,159. That means that your net pay will be $8,801 per year, or $733 per month. Your average tax rate is 11.6% and your marginal tax rate is 12.3%. 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 $12.26, hence, your net pay will only increase by $87.74.
Bonus Example
A $1,000 bonus will generate an extra $877 of net incomes. A $5,000 bonus will generate an extra $4,387 of net incomes.