Can you help with the following exercice?

Please, use table spreadsheet for better understanding.

The Rolling Department of Oak Ridge Steel Company had 450 tons in beginning work in process inventory (25% complete) on July 1. During July, 3,350 tons were completed. The ending work in process inventory on July 31 was 550 tons (40% complete). What are the total equivalent units for direct materials for July if materials are added at the beginning of the process