Summary
If you make $299,960 a year living in the region of Alberta, Canada, you will be taxed $116,010. That means that your net pay will be $183,950 per year, or $15,329 per month. Your average tax rate is 38.7% and your marginal tax rate is 47.1%. 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 $47.12, hence, your net pay will only increase by $52.88.
Bonus Example
A $1,000 bonus will generate an extra $529 of net incomes. A $5,000 bonus will generate an extra $2,644 of net incomes.