Paul and Karen are married, and both are employed (Paul earns $44,000 and Karen earns $9,000 during 2013). Paul and Karen have two deendent children, both under the age of 13. So that they can work, Paul and Karen pay $3,800 to various unrelated parties to care or their children while they are working. Assuming Paul and Karen file a joint return, what, if any, is their tax credit for child and dependent care expenses?