If you make $52,000 a year living in the region of Ontario, Canada, you will be taxed $14,043. That means that your net pay will be $37,957 per year, or $3,163 per month. Your average tax rate is 27.0% and your marginal tax rate is 35.3%. 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 $35.25, hence, your net pay will only increase by $64.75.
A $1,000 bonus will generate an extra $648 of net incomes. A $5,000 bonus will generate an extra $3,238 of net incomes.