The Rolling Department of Keystone Steel Company had 400 tons in beginning work in process inventory (20% complete). During the period, 7,900 tons were completed. The ending work in process inventory...

The Rolling Department of Keystone Steel Company had 400 tons in beginning work in process inventory (20% complete). During the period, 7,900 tons were completed. The ending work in process inventory was 1,000 tons (30% complete). What are the total equivalent units for direct materials if materials are added at the beginning of the process?