In 2020 Margaret and David Simmons are married and file a joint income tax return. They have two dependent children, Margo, 5 years old, and Daniel, who was born during the year. Margaret's wages are $3,000, and David has wages of $14,000. In addition, they receive interest income of $200 during the year. Margaret and David do not have any other items of income and do not have any deductions for adjusted gross income. What is their Earned Income Tax Credit?