Maria and Tony are married. They are preparing to file their 2015 tax return. If they were

Question:

Maria and Tony are married. They are preparing to file their 2015 tax return. If they were to file as single taxpayers, Maria and Tony would report $10,000 and $70,000 of taxable income, respectively. On their joint tax return, their taxable income is $80,000. How much of a marriage penalty or benefit will Maria and Tony experience in 2015?