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Equivalent Units of Materials Cost The Rolling Department of Jabari Steel Company had 3,000 tons in beginning work in process inventory ( 50% complete) on October 1. During October, 49,300 tons were completed. The ending work in process inventory on October 31 was 2,500 tons (70\% complete). What are the total equivalent units for direct materials for October if materials are added at the beginning of the process? units