C. Only applies to those self business income on tax form Sch (D.) Choices A, B and C are ? The Earned Income Credit: A. Is a non-refundable tax crec B. Is a refundable tax credit. C. Is only for employers that unemployment rate. D. Choices "A" and " \\( \\mathrm{C} \\) " are Estimated tax payments: A. Are for those taxpay taxable income when compl B. When required and taxpayer to an underpayme applies. C. Are required to be D. Choices A, B and