If you make $150,000 a year living in the region of Ontario, Canada, you will be taxed $51,669. That means that your net pay will be $98,331 per year, or $8,194 per month. Your average tax rate is 34.5% and your marginal tax rate is 46.3%. 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 $46.28, hence, your net pay will only increase by $53.72.
A $1,000 bonus will generate an extra $537 of net incomes. A $5,000 bonus will generate an extra $2,686 of net incomes.