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3. Makelots Corp, uses the weighted-average method in its process costing system. The following data concem the operations of the company's first processing department fot a recent month. Required - Using the weighted-average method: ( 20 pts) a. Determine the equivalent units of production for materials and conversion costs. b. Determine the cost per equivalent unit for materials and conversion costs. c. Detemine the cost of units transferred out of the department during the mosth. d. Defermine the cost of ending work in process inventory in the department