Equivalent Units of Materials Cost

The Rolling Department of Kraus Steel Company had 3,400 tons in beginning work in process inventory (80% complete) on October 1. During October, 56,100 tons were completed. The ending work in process inventory on October 31 was 2,800 tons (30% complete).

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

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