Acme Company uses process costing. Here are data regarding the first processing department for the current month: Work in process inventory, beginning Units Direct material costs 2,700 units $14,800 Units started in production 11,400 units Units completed and transferred out 10,300 units Direct material costs added $173,900 Work in process inventory, ending 3,800 units The units in beginning work in process inventory are 70% complete with respect direct materials and the units in ending work in process inventory are 90% complete with respect to direct materials. The cost per equivalent unit for direct materials for the month is closest to: