Summary
If you make $55,839 a year living in the region of Alberta, Canada, you will be taxed $16,976. That means that your net pay will be $38,863 per year, or $3,239 per month. Your average tax rate is 30.4% and your marginal tax rate is 36.0%. 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 $35.96, hence, your net pay will only increase by $64.04.
Bonus Example
A $1,000 bonus will generate an extra $640 of net incomes. A $5,000 bonus will generate an extra $3,202 of net incomes.