Ch. 4 Exercise 2: Cabot Inc. uses the weighted average method in its process costing system. The following data concern the operations of the company's first processing department for a recent month. Work in process, beginning: Units in process 400 Percent complete with respect to materials 90 Percent complete with respect to conversion 70 Units started into production during the month 18,000 Work in process, ending: Units in process 600 Percent complete with respect to materials 80 Percent complete with respect to conversion Required: Using the weighted average method, determine the equivalent units of production for materials and conversion costs. Material cost conversion Units transferred to next department Equivalent production