Summary
If you make $4,983 a year living in the region of Indiana, USA, you will be taxed $542. That means that your net pay will be $4,441 per year, or $370 per month. Your average tax rate is 10.9% and your marginal tax rate is 10.9%. 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 $10.88, hence, your net pay will only increase by $89.12.
Bonus Example
A $1,000 bonus will generate an extra $891 of net incomes. A $5,000 bonus will generate an extra $4,456 of net incomes.