Summary
If you make $99,989 a year living in the region of Quebec, Canada, you will be taxed $34,228. That means that your net pay will be $65,761 per year, or $5,480 per month. Your average tax rate is 34.2% and your marginal tax rate is 45.1%. 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 $45.05, hence, your net pay will only increase by $54.95.
Bonus Example
A $1,000 bonus will generate an extra $550 of net incomes. A $5,000 bonus will generate an extra $2,748 of net incomes.