For purposes of determining filing status, which of the following is not a requirement for a married taxpayer to be treated as unmarried at the end of the year? Multiple Choice The taxpayer claims a child as a dependent. The taxpayer pays more than half the costs of maintaining his or her home for the entire year and the home is the principal residence for a dependent qualifying child for more than half the year. The taxpayer files a tax return separate from the other spouse. The spouse does not live in the taxpayer's home at all during the year.