19only need to answer one or two simple sentences, just write some sentences,and I will get you thumbs. I'm in a hurry, thank you!@or just give the ans!

The demand for Australian dollars in the foreign exchange market equals and the supply of Australian dollars in the foreign exchange market equals , where is the nominal exchange rate expressed in yen per Australian dollar. If the Australian dollar is fixed at 2 yen per Australian dollar, then to maintain this fixed rate, what is the required change in the Reserve Bank of Australia's holdings of yen? decrease by 18,000 yen increase by 18,000 yen decrease by 2,000 yen O increase by 2,000 yen The demand for Australian dollars in the foreign exchange market equals and the supply of Australian dollars in the foreign exchange market equals , where is the nominal exchange rate expressed in yen per Australian dollar. If the Australian dollar is fixed at 2 yen per Australian dollar, then to maintain this fixed rate, what is the required change in the Reserve Bank of Australia's holdings of yen? decrease by 18,000 yen increase by 18,000 yen decrease by 2,000 yen O increase by 2,000 yen