Which of the Following Determinations Does Not Require Knowing the Amounts

Multiple Choice

Which of the following determinations does not require knowing the amounts of one's U.S.- versus foreign-source income?

A) Calculation of U.S.withholding tax on the FDAP income of foreign persons.
B) Calculation of a foreign person's income effectively connected with carrying on a U.S.trade or business.
C) Calculation of the § 911 exclusion.
D) Calculation of a U.S.person's total taxable income.