If you make $55,000 a year living in the region of Arizona, USA, you will be taxed $10,780. That means that your net pay will be $44,220 per year, or $3,685 per month. Your average tax rate is 19.6% and your marginal tax rate is 32.4%. 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 $32.35, hence, your net pay will only increase by $67.65.
A $1,000 bonus will generate an extra $677 of net incomes. A $5,000 bonus will generate an extra $3,383 of net incomes.