Choose the statement about fixed exchange rates that is incorrect

o A. A fixed exchange rate blocks the unregulated forces of demand and supply by direct intervention in the foreign exchange market.

( B, Hong Kong has a fixed exchange rate

B. The world economy operated a fixed exchange rate regime from the end of World War II to the early 1970s

O D. If the Fed wanted to fix the U S, dollar exchange rate against the Japanese yen, the Fed would have to buy US dollars to prevent the exchange rate from

0 D. If the Fed wanted to fix the U S dollar exchange rate against the Japanese yen, the Fed would have to buy rom rising above the target value