Translation Method for Multinational Operations

ABC Corp. operates in both the United States and Germany. The company follows U.S. GAAP for its financial reporting and is required to prepare consolidated financial statements. While consolidating its German subsidiary's financials, ABC Corp. needs to convert the subsidiary's financial statements from Euros to U.S. Dollars. This conversion requires the application of a suitable translation method.

Which translation method should ABC Corp. primarily use to convert its German subsidiary's financial statements into U.S. Dollars under U.S. GAAP?