Identify the correct reason(s) that may affect the demand for foreign exchange in an economy.
 I. Imports of visibles
 II. Exports of invisibles
 III. Remittances by residents working abroad
 IV. Purchase of assets abroad
 
 Alternatives:
 a) I and II 
 b) II and III 
 c) III and IV 
 d) I and IV
                    
            
            Solution