Charlotte $(53)$ Is unmarried and pays $75\%$ of the cost of maintaining a home for her father, Arlo $(79),$ who had no taxable income and did not live with Charlotte. Arlo is Charlotte's qualifying relative dependent, and she will lalm him on her tax return in $2023.$ What is Charfotte's correct and most favorable filing status for $2023?$Single. Married filing separately. Head of household. Qualifying surviving spouse.