Summary
If you make $99,920 a year living in the region of Alberta, Canada, you will be taxed $30,861. That means that your net pay will be $69,059 per year, or $5,755 per month. Your average tax rate is 30.9% and your marginal tax rate is 31.6%. 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 $31.56, hence, your net pay will only increase by $68.44.
Bonus Example
A $1,000 bonus will generate an extra $684 of net incomes. A $5,000 bonus will generate an extra $3,422 of net incomes.