The Richmond Corporation uses the weighted-average method in its process costing system. The company has only a single processing department. The company's ending work in process inventory on August 31 consisted of 19,200 units. The units in the ending work in process inventory were 100% complete with respect to materials and 60% complete with respect to labor and overhead. If the cost per equivalent unit for August was $3.05 for materials and $4.55 for labor and overhead, the total cost assigned to the ending work in process inventory was:

• $145,920

• $87,552

• $93,504

• $110,976