Summary
If you make $299,910 a year living in the region of Alberta, Canada, you will be taxed $115,987. That means that your net pay will be $183,923 per year, or $15,327 per month. Your average tax rate is 38.7% and your marginal tax rate is 46.2%. 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 $46.22, hence, your net pay will only increase by $53.78.
Bonus Example
A $1,000 bonus will generate an extra $538 of net incomes. A $5,000 bonus will generate an extra $2,689 of net incomes.