equivalent Units of Materials Cost

The Rolling Department of Oak Ridge Steel Company had 2,100 tons in beginning work in process inventory (70% complete) on July 1. During July, 34,400 tons were completed. The ending work in process inventory on July 31 was 1,700 tons (30% complete).

What are the total equivalent units for direct materials for July if materials are added at the beginning of the process? ______ units