Consider the following sentences, Which of these combinations is true? 1) A base currency can be assigned to an exchange rate type. 2) To deal with exchange rate spreads, two very efficient…

Consider the following sentences, Which of these combinations is true? 1) A base currency can be assigned to an exchange rate type. 2) To deal with exchange rate spreads, two very efficient combinations of the exchange rate tools are using a base currency for the average rate (M) and using the exchange rate spreads to calculate the buying and selling rates (B and G). 3) A base currency can be used for an average, a buying or a selling rate. 4) The relations between currencies have to be maintained per exchange rate type and currency pair in the translation factors. Please choose the correct answer. Response: