If you make $55,000 a year living in the region of Massachusetts, USA, you will be taxed $11,915. That means that your net pay will be $43,085 per year, or $3,590 per month. Your average tax rate is 21.7% and your marginal tax rate is 35.0%. 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 $34.99, hence, your net pay will only increase by $65.01.
A $1,000 bonus will generate an extra $650 of net incomes. A $5,000 bonus will generate an extra $3,251 of net incomes.