Which Set of Events Would Most Likely Increase Aggregate Demand

Multiple Choice

Which set of events would most likely increase aggregate demand?

A) An increase in incomes in foreign nations and a depreciation of the dollar.
B) An increase in incomes in foreign nations and an appreciation of the dollar.
C) A decrease in incomes in foreign nations and an appreciation of the dollar.
D) A decrease in incomes in foreign nations and a depreciation of the dollar.