XYZ Corporation, a U.S.-based multinational company, has significant operations in Europe. Recently, the euro has been weakening against the U.S. dollar, leading to potential losses when converting euro-denominated revenues back to U.S. dollars. To mitigate this currency risk, XYZ Corporation is considering various hedging strategies.

Management wants to understand the implications of these strategies on their reported earnings and cash flows. Which of the following hedging methods would best help XYZ Corporation protect its euro revenues from being adversely affected by currency fluctuations?