TB MC Qu. 8-53 The Lakeside Company uses a weighted-average... The Lakeside Company uses a weighted average process costing system. The following data are available: -0- Beginning inventory Units started in production Units finished during the period Units in process at the end of the period (complete as to materials, 14 complete as to labor and overhead) 23,600 17,800 Cost of materials used Labor and overhead costs 5,800 $ 57,770 $ 61,680 Unit cost of material is: O $3.20. O $2.86. O $2.61. O $2.45