Nora and Mohamed are married and file a joint tax return claiming their two children, ages 3 and 7 as dependents for 2019. Assuming their gross income is $515,000. Nora and Mohamed do not itemize but rather take the standard deduction and do not have any other deductions. What is their child tax credit?

Liala is a single with six children under the age of 17. Lialas gross income for 2019 is $240,000 and her deductions for AGI is $60,000 and taxable income $130,000. What is the maximum amount of refundable child tax credit for 2019?