At the beginning of the month, 200 units were in work-in-process in the stamping department of Farwest industrials Inc, and were 70% complete with respect to materials. During the month, 2,000 units were transferred to the next department. At the end of the month, 100 units were still in work-in-process and were 60% complete with respect to materials. The materials cost in the beginning work in process inventory account was $2,721,$39,200 worth of materials costs were added during the month. Using the weighted-average method, what is the cost per equivalent unit for materials costs? $20.35 per equivalent unit $18.49 per equivalent unit $17.81 per equivalent unit $19.96 per equivalent unit $18,67 per equivalent unit