Natalie, a single mother who will use the head of household filing status, has three children, Austin (7), Xavier (10), and Skylar (18). Natalie's adjusted gross income is $65,000, and her 2021 tax liability is $5,263. All three children, including Skylar, who is a full-time student, have valid social security numbers, are U.S. citizens, and are her qualifying child dependents. Natalie did not receive any advance Child Tax Credit payments during the year. Neither Natalie nor the children's father have ever signed Form 8332, Release/Revocation of Release of Claim to Exemption for Child by Custodial Parent. What amount is Natalie able to claim for the total of her Child Tax Credit and credit for other dependents when she files her 2021 return?