Exercise 4-3 Cost Per Equivalent Unit-Weighted-Average Method [LO3] Billinstaff Industries uses the weighted-average method in its process costing system. Data for the Assembly Department for May appear below: Required: 1. Compute the cost per equivalent unit for materials, for labor, and for overhead. Cost per equivalent unit $Materials $ Labor $ Overhead 2. Compute the total cost per equivalent whole unit. Total cost per equivalent unit $