Which of the following tax credits is fully refundable?

A. Earned income credit.

B. None of the choices are correct.

C. American opportunity credit.

D. Dependent care credit.

Which of the following is not true of the extension to file an individual tax return?

A. It is granted automatically by the IRS if requested.

B. The extension is for six months beyond the original due date.

C. It extends the due date and associated tax payments beyond the original due date of the tax return.

D. It must be requested by the original due date of the return.