If you make $140,000 a year living in the region of New York, USA, you will be taxed $43,976. That means that your net pay will be $96,024 per year, or $8,002 per month. Your average tax rate is 31.4% and your marginal tax rate is 33.4%. 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 $33.40, hence, your net pay will only increase by $66.60.
A $1,000 bonus will generate an extra $666 of net incomes. A $5,000 bonus will generate an extra $3,330 of net incomes.