April of Year 1, Martin left his spouse, Marianne. While the couple was apart, they were not legally divorced. Marianne found herself having to financially ovide for the couple's only child (who qualifies as Marianne's dependent) and to pay all the costs of maintaining the household. When Marianne filed r tax return for Year 1, she filed a return separate from Martin. What is Marianne's most favorable filing status for Year 1? Multiple Choice Married filing separately Single Head of household Qualifying surviving spouse