Anne is a single taxpayer with three children: Mike $(18),$ Alice $(17),$ and Juliana $(13).$ All three are US citizens with social security numbers valid for work. Anne files as head of household. Her agi is $$120,000($all from wage income$).$ Anne claims all three children as dependents on her $2024$ tax return. Assuming that tge credit is not limited by Anne's tax liability, how much is Anne's total child tax credit for $2024?$

$$0$

$$2000$

$$4000$

$$6000$