JosephandMargaretfile for federal taxes as married filing jointly. They originally anticipated that they will pay a total of $30565in taxes on an estimated taxable income of $172900. When they filed their taxes at the end of the year, they calculated their tax burden to be $31543on a taxable income of $178851. What wasJosephandMargaret's actual average tax rate at the end of the year?

17.09%

17.68%

17.64%

18.24%