Jackson (38) is not married. He shared his home all year with his girlfriend, Tabatha (36), and Tabatha's daughter, Zoe (8). Jackson is not related to Zoe, and Jackson is not in the process of adopting her. Jackson provided more than half the cost of maintaining the home and more than 50% of Tabatha and Zoe's support. Jackson's wages were $32,450; Tabatha's gross income was $5,550; Zoe's was $0. What is Jackson's most advantageous filing status?

Head of household

Married filing jointly

Married filing separately

Single