The Lakeside Company uses a welghted-average process costing system. The following data are available: -0- 20,000 16,000 Beginning inventory Units started in production Units finished during the period Units in process at the end of the period (complete as to materials, % complete as to labor and overhead) Cost of materials used Labor and overhead costs 4,000 $35,200 $37,400 Total cost of the 4,000 units of the ending Inventory: Multiple Choice $9,240. $14,520. $8.910. $15,840