If you make $90,000 a year living in the region of New York, USA, you will be taxed $24,750. That means that your net pay will be $65,250 per year, or $5,438 per month. Your average tax rate is 27.5% and your marginal tax rate is 36.1%. 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 $36.06, hence, your net pay will only increase by $63.94.
A $1,000 bonus will generate an extra $639 of net incomes. A $5,000 bonus will generate an extra $3,197 of net incomes.