If you make $66,500 a year living in the region of Arizona, USA, you will be taxed $14,500. That means that your net pay will be $52,000 per year, or $4,333 per month. Your average tax rate is 21.8% 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.