Can I get some help:

The Lakeside Company uses a weighted average process costing system. The following data are available: -0- 20,200 16,100 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 4,100 $36,180 $41,100 Total cost of the 16,100 units finished is: Multiple Choice $71,772 $67,477. $77,319. $66,852