3) Bagg er, Inc. uses a process costing system. The following operating and cost data occurred during October: October 1, Inventory: 30,000 units 100% complete for materials ($60,000) and 50% complete for direct labor ($7,500) and overhead ($15,000) October 31, Inventory: 20,000 units 100% complete for materials and 30% complete for direct labor and overhead started 40,000 units Direct materials Direct labor Overheac $110,100 28,900 57,800 October production costs: Materials are added at the beginning of the process. Direct labor and overhead are incurred evenly throughout the process. Prepare the October process cost summary assuming the weighted average method of inventory costing