Department S had no work in process at the beginning of the period. It added 14,800 units of direct materials during the period at a cost of $103,600; 11,100 units were completed during the period; and 3,700 units were 40% 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 $56,000 and factory overhead was $9,200. The total conversion costs for the period were a.$56,000 b.$9,200 c.$46,800 d.$65,200