If you are referring to e-filing your return, you do use your 2017 AGI. It does not matter what your filing status is for 2018. Your 2017 AGI is
If you are referring to e-filing your return, you do use your 2017 AGI. It does not matter what your filing status is for 2018. Your 2017 AGI is
does it have to be the total of both incomes from you and your spouse?