Summary
If you make $11,908 a year living in the region of California, USA, you will be taxed $1,042. That means that your net pay will be $10,866 per year, or $906 per month. Your average tax rate is 8.8% and your marginal tax rate is 8.8%. 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 $8.79, hence, your net pay will only increase by $91.21.
Bonus Example
A $1,000 bonus will generate an extra $912 of net incomes. A $5,000 bonus will generate an extra $4,561 of net incomes.