Use this information about Department G to answer the question that follow. Department G had 2,160 units 25% completed at the beginning of the period, 12,300 units were completed during the period, 1,800 units were 20% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in process account during the period: All direct materials are placed in process at the beginning of production, and the first-in, first-out method of inventory costing is used. What is the total cost of the units started and completed during the period (do not round unit cost calculation)? a. $190,853 b. $174,254 c. $157,655 d. $91,260