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Charlie Chairs Inc, manufactures plastic moldings for car seats. Its costing system utiizes two cost categories, direct materials and conversion costs. Each product must pass through Department A and Department B. Direct materials are added at the beginning of production. Conversion costs are allocated evenly throughout production. How many units were completed and transferred out of Department A during February? A. 1,130 units B. 570 units c. 820 units D. 870 units