Department S had no work in process at the beginning of the period. It added 10,600 units of direct materials during the period at a cost of $74,200; 7,950 units were completed during the period; and 2,650 units were 36% completed as to labor and overhead at the end of the period. All materials are added at the beginning of the process. Direct labor was $58,800 and factory overhead was $8,400. The total conversion costs for the period were $8,400 $50,400 $67,200 $58,800