Summary
If you make $12,979 a year living in the region of Indiana, USA, you will be taxed $1,417. That means that your net pay will be $11,562 per year, or $963 per month. Your average tax rate is 10.9% and your marginal tax rate is 18.9%. 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 $18.89, hence, your net pay will only increase by $81.11.
Bonus Example
A $1,000 bonus will generate an extra $811 of net incomes. A $5,000 bonus will generate an extra $4,056 of net incomes.