Seatrail Company uses the weighted-average method in its process costing system. The beginning work in process inventory in a particular department consisted of 10,000 units, 100% complete with respect to materials cost and 30% complete with respect to conversion costs. The total cost in the beginning work in process inventory was $37,600. A total of 15,000 units were transferred out of the department during the month. The costs per equivalent unit were computed to be $1.50 for materials and $3.20 for conversion costs. The total cost of the units completed and transferred out of the department was:

Select one:

a. 40500

b. 37600

c. 74260

d. 70500