your marginal tax rate is 40% and your average tax rate is 30%. if you make 50,000 in a year how much would you get to keep after tax( in other words what is your after tax salary?)

your marginal tax rate is 40% and your average tax rate is 30%. if you make 8,000 in bonus at the end of the year, how much would you get to keep after tax (in other words, what is your after tax bonus?)