Which of the Following Would Lead to an Increase in the Supply

Multiple Choice

Which of the following would lead to an increase in the supply of Russian rubles?

A) An increase in the dollar price of the ruble
B) An increase in Russian GDP
C) An increase in the U.S.price level relative to the Russian price level
D) A decrease in the dollar-ruble exchange rate
E) Expectation that the price of the ruble will rise.