[单选题]9) How is the AA schedule derived? A It is derived by the schedule of interest rate and output combinations that are consistent with equilibrium in the domestic money market and the foreign exchange market. B It is derived by the schedule of exchange rate and output combinations that are consistent with equilibrium in the foreign money market and the domestic exchange market. C It is derived by the schedule of exchange rate and output combinations that are consistent with equilibrium in the domestic money market and the foreign exchange market. D It is derived by the schedule of exchange rate and output combinations that are consistent with equilibrium in the domestic bond market and the foreign asset market. E It is derived by the schedule of exchange rate and output combinations that are greater than equilibrium in the foreign money market and the domestic exchange market.