Dabney and Nancy are married, both gainfully employed, and have two children who are 3 and 6 years old. Dabney's salary is $35,000 while Nancy's salary is $40,000 and they have interest income of $3,000. During the year, they spend $9,000 for child care expenses that are required so both of them can work outside of the home. Calculate the credit for child and dependent care expenses.