Wilson Company has a process costing system. The Assembly Department had the following costs for May: Work In Process Inventory May 1 (materials) 48,000 (Labor&Overhead) 32,000 Cost added during May $152,000 $168,000 Assume that Wilson uses the weighted-average method and that for May the company computed 20,000 equivalent units for labor and overhead. The cost per equivalent unit for labor and overhead for the month would have been