Westerlands and Crownlands are two countries that trade with each other and no other countries. Assume that Westerlands' currency is pegged to Crownlands' currency. Meanwhile, due to inflationary pressures, the central bank of Westerlands wishes to decrease the money supply. Which statement is correct - assume that initially (before conducting the monetary policy), Westerlands central bank does not have to intervene in Foreign Exchange Market: a. To achieve this, Westerlands' central bank can decrease money supply and sell its foreign reserves in foreign exchange markets. b. Since the exchange rate is fixed, Westerlands' central bank cannot perform this monetary policy. c. Crownlands' central bank can decrease its money supply in order to decrease demand for Westerlands' currency. d. None of the above