This is meant to use the average exchange rate for the month of the transactions.
Thus, if 2 transactions belong on november 2019, and 4 transactions belong on december 2020, the 2 transactions will be applied the average exchange rate for november 2019, and the 4 transactions will be applied the exchange rate for december 2019.
"Exchange Rate Monthly Average"
This is meant to use the average exchange rate for the year for the transactions. Thus, if 3 transactions belong in 2019, and 4 transactions belong in 2020, the 3 transactions will be applied the average exchange rate for 2019, and the 4 transactions will be applied the exchange rate for 2020.
"Exchange Rate Yearly Average"
"Exchange Rate Year To Date "
"Exchange Rate for End Of the Month"
"Exchange Rate for Report Issue Date"
"Exchange Rate, Historical"
"Exchange Rate Report Range"