Summary
If you make $78,300 a year living in the region of Ontario, Canada, you will be taxed $22,704. That means that your net pay will be $55,596 per year, or $4,633 per month. Your average tax rate is 29.0% and your marginal tax rate is 30.5%. 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 $30.48, hence, your net pay will only increase by $69.52.
Bonus Example
A $1,000 bonus will generate an extra $695 of net incomes. A $5,000 bonus will generate an extra $3,476 of net incomes.