Summary
If you make $138,604 a year living in the region of Maine, USA, you will be taxed $43,855. That means that your net pay will be $94,749 per year, or $7,896 per month. Your average tax rate is 31.6% and your marginal tax rate is 39.8%. 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 $39.76, hence, your net pay will only increase by $60.24.
Bonus Example
A $1,000 bonus will generate an extra $602 of net incomes. A $5,000 bonus will generate an extra $3,012 of net incomes.