Hache Corporation uses the weighted-average method in its process costing system. The first processing department, the Welding Department: Started the month with 18,000 units in its beginning work in process inventory that were 20% complete with respect to conversion costs. The conversion cost in this beginning work in process inventory was $8,280. An additional 91,000 units were started into production during the month There were 15,000 units in the ending work in process inventory of the Welding Department that were 90% complete with respect to conversion costs. A total of $204,400 in conversion costs were incurred (added) in the department during the month. The cost per equivalent unit for conversion costs for the month is closest to