The Lakeside Company uses a weighted-average process costing system. The following data are available: 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) 21,00 cost of materials used 16,500 Labor and overhead costs 4,500 $41,000 $43,710 Cost per equivalent unit of labor and overhead is: $2.65. $2.48. $2.23. $2.08