Summary
If you make $99,939 a year living in the region of Ontario, Canada, you will be taxed $29,963. That means that your net pay will be $69,976 per year, or $5,831 per month. Your average tax rate is 30.0% and your marginal tax rate is 40.0%. 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 $39.97, hence, your net pay will only increase by $60.03.
Bonus Example
A $1,000 bonus will generate an extra $600 of net incomes. A $5,000 bonus will generate an extra $3,002 of net incomes.