Summary
If you make $108,878 a year living in the region of Alberta, Canada, you will be taxed $34,063. That means that your net pay will be $74,815 per year, or $6,235 per month. Your average tax rate is 31.3% and your marginal tax rate is 35.8%. 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 $35.79, hence, your net pay will only increase by $64.21.
Bonus Example
A $1,000 bonus will generate an extra $642 of net incomes. A $5,000 bonus will generate an extra $3,211 of net incomes.