The Alberta Construction and Renovation corporation uses the weighted-average method of process costing. Data for the Assembly Department for May appear below: Materials Labour Overhead May 1 WIP 18,000 5,500 27,500 Costs added during May 238,900 80,300 401,500 Equivalent units of production 35,000 33,000 33,000 Required: Compute the cost per equivalent unit for materials, labor, overhead, and in total