Which of the following statements concerning the filing of the federal estate tax return is (are) correct?

I. An estate tax return must be filed for all persons dying after 1987.

II. There is an automatic 2-year extension for filing the federal estate tax return of a U.S. citizen who dies in a foreign country.

(A) I only.

(B) II only.

(C) Both I and II.

(D) Neither I nor II.

Provide a detailed explanation for your answer.. Only answer if you have a strong estate planning background.