Use the Following Data to Answer Bellow Questions

Use the following data to answer bellow Questions
On October 25, 2020, a U.S. company sold merchandise on credit to a customer in Spain at an invoice price of €1,000, when the exchange rate was $1.25/€. On December 31, 2020, the U.S. company's year-end, the exchange rate was $1.257/€. On February 1, 2021, when the exchange rate was €1.23, the U.S. company received €1,000 in payment for the merchandise.
-The U.S. company's exchange gain or loss for 2020 is

A) $7 loss
B) $20 gain
C) $7 gain
D) $20 loss