When the Exchange Rate for a Foreign Currency Changes Between

When the exchange rate for a foreign currency changes between a sale and the receipt of payment -

A) the amount of the bank deposit is determined by the rate at the time of the sale
B) the amount of the bank deposit is determined by the rate at the time of the receipt
C) the amount of revenue is determined by the rate at the time of the receipt
D) the amount of revenue is the average of the two exchange rates