Which one of the following statements is true regarding exchange rates in the flexible exchange rate system? Select one: OA Starting at the short-term equilibrium, if the market expects that country A's currency would appreciate in the future, then the demand for country's A currency would decrease. . Exchange rates are unpredictable because they are simultaneously influenced by long-run, medium run, and short-run factors. . Interest rate arbitragers broaden the short-term dis-equilibrium OD Exchange rates should always be at the long-run equilibrium which satisfies the purchasing power parity