Which of the following taxpayers may file as a head of household in 2020?

Juan provides all of the support for his mother, Loretta, who lives by herself in an apartment in Los Angeles. Juan pays the rent and other expenses for the apartment and properly claims his mother as a dependent.

Julia provides over one-half the support for her 20-year old brother, David. He earned $15,000 in 2020 working full time at a fast-food restaurant and is saving his money to attend college in 2021. David lives in Julia's home.

Jose's wife left him late in December of 2019. No legal action was taken and Jose has not heard from her in 2020. Jose provided all of the support for his 6-year-old son, who lived with him throughout 2020.

Juan only.

Juan and Julia

Juan and Jose.

Juan, Julia, and Jose.