Summary
If you make $12,480,000 a year living in the region of Missouri, USA, you will be taxed $5,536,927. That means that your net pay will be $6,943,074 per year, or $578,589 per month. Your average tax rate is 44.4% and your marginal tax rate is 44.7%. 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 $44.65, hence, your net pay will only increase by $55.35.
Bonus Example
A $1,000 bonus will generate an extra $554 of net incomes. A $5,000 bonus will generate an extra $2,768 of net incomes.