In Late 2010 the National Bank of Australia Offered a 4

In late 2010 the National Bank of Australia offered a 4 percent interest rate on a savings account while Bank of America offered 2 percent. This difference means that

A) there will be a surplus of U.S. dollars in the foreign exchange market.
B) people expect the U.S. dollar to appreciate by 2 percent against the Australian dollar and interest rate parity to occur.
C) there will be a shortage of Australian dollars in the foreign exchange markets.
D) people expect the U.S. dollar to appreciate to 8 percent against the Australian dollar and interest rate parity to occur.