A company uses the weighted average method for inventory costing. During a period, Department B finished and transferred 63,000 units to Department C. Also in Department B during the period, 16,500 units were started but brought only to a stage of being 60% completed. The number of equivalent units produced by Department B during the period was: Multiple Choice 72,900 units 79,500 units. 63,000 units 69,600 units 53100 units