(3) When a country's current creditor's rights are greater than its current debts, that is to say, there is a net inflow of capital, and the foreign exchange supply is greater than the foreign exchange demand, the foreign exchange will depreciate and the local currency will appreciate; When a country's current creditor's rights are equal to its current debts, the supply and demand of foreign exchange are balanced and the foreign exchange rate remains unchanged; When a country's current creditor's rights are less than its current debts, there will be a net outflow of capital, and the foreign exchange supply will be less than the foreign exchange demand. Foreign exchange will appreciate and local currency will depreciate.