The demand for the Franconian franc in the foreign exchange market equals 14,000-3,000e and the supply of francs in the foreign exchange market equals 2,000+2,000e where e is the nominal exchange rate expressed in US dollars per franc. If the franc is fixed a 2 US dollars per franc, then to maintain this fixed rate Franconia's international reserves must:1. increase by 2,0000 francs per period.2. increase by 4,000 francs per period3. decrease by 2,000 francs per period.4. decrease by 4,000 francs per period