determine the child tax credit amount (if any) and the other dependent tax credit (if any). You need to provide the dollar amount for each. (Assume there is adequate tax liability to fully use these tax credits.)

Mark Erikson filed a joint return for 20x9 with his wife Helen. Their son John, age 5, who they fully support, has no income and lives with Mark and Helen. They also provided 60% of the support for his 72yearold widowed mother Martha. His mother's only income was from social security benefits totaling $7,000 (Social Security does not count in the income test.)