$$ Lydia's husband, Morgan, moved out of their home in February of $2021.$ Lydia has had no contact with

Morgan since he moved out. Lydia and Morgan are not legally separated.

$$ Lydia has one child, Mary, age $10.$ She will claim Mary as a dependent on her $2023$ tax return.

$$ Lydia is $31$ years old.

$$ Lydia earned $$42,300$ in wages and received $$50$ of interest. Lydia had lottery winnings of $$2,000$ reported on Form W$2-$G$.$

$$ Lydia paid all the costs of keeping up her home. She provided over half of the support for Mary.

$$ They all are U$.$S$.$ citizens and have valid social security numbers. They lived in the U$.$S$.$ all year.

$2.$ Who qualifies to claim the earned income credit for Mary?