If you make $200,000 a year living in the region of Ontario, Canada, you will be taxed $75,485. That means that your net pay will be $124,515 per year, or $10,376 per month. Your average tax rate is 37.7% and your marginal tax rate is 52.5%. 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 $52.50, hence, your net pay will only increase by $47.50.
A $1,000 bonus will generate an extra $475 of net incomes. A $5,000 bonus will generate an extra $2,375 of net incomes.