Exercise 3: The Refundable Earned Income (Tax) Credit o Single parent, 1 child, total earnings of $18,000 (assume that this person is filing as Head of Household) Amount of Standard Deductions? Amount of Taxable income? Any tax liability? Amount of Refundable Earned Income Tax Credit? O "Clawback amount? Exercise 3: The Refundable Earned Income (Tax) Credit o Single parent, 1 child, total earnings of $18,000 (assume that this person is filing as Head of Household) Amount of Standard Deductions? Amount of Taxable income? Any tax liability? Amount of Refundable Earned Income Tax Credit? O "Clawback amount