A U.S. firm has a German subsidiary that remits a large amount of its earnings to the parent on an annual basis. It also imports supplies from South Korea, invoiced in South Korean won. The firm has no other foreign business and needs a small loan. The firm could best reduce its exposure to exchange rate risk by borrowing:

-a combination of euros and won

-Euros

-U.S. dollars

-Swiss francs

-none of the options listed