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Use this information about the Finishing Department to answer the question that foliows. The following production data were taken from the records of the Finishing Department for June: All direct materials are added at the beginning of the process, and the first-in-first-out cost flow method The materials equivalent units of production in the June 30 Finishing Department inventory are a. 63,900 units b. 4,300 units c. 54,900 units d. 59,200 units