Summary
If you make $342,836,004 a year living in Australia, you will be taxed $161,103,589. That means that your net pay will be $181,732,415 per year, or $15,144,368 per month. Your average tax rate is 47.0% and your marginal tax rate is 47.0%. 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 $47, hence, your net pay will only increase by $53.
Bonus Example
A $1,000 bonus will generate an extra $530 of net incomes. A $5,000 bonus will generate an extra $2,650 of net incomes.