Summary
If you make $108,000 a year living in the region of Quebec, Canada, you will be taxed $37,875. That means that your net pay will be $70,125 per year, or $5,844 per month. Your average tax rate is 35.1% and your marginal tax rate is 45.5%. 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 $45.53, hence, your net pay will only increase by $54.47.
Bonus Example
A $1,000 bonus will generate an extra $545 of net incomes. A $5,000 bonus will generate an extra $2,724 of net incomes.