Summary
If you make $14,988 a year living in the region of California, USA, you will be taxed $1,515. That means that your net pay will be $13,473 per year, or $1,123 per month. Your average tax rate is 10.1% and your marginal tax rate is 31.4%. 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 $31.40, hence, your net pay will only increase by $68.60.
Bonus Example
A $1,000 bonus will generate an extra $686 of net incomes. A $5,000 bonus will generate an extra $3,430 of net incomes.