Billinstaff Industries uses the weighted-average method in its process costing system. Data for the Assembly Department for May appear below:
Materials Labor Overhead
Work in process, May 1 $ 12,800 $ 19,350 $ 90,855
Cost added during May $ 77,565 $ 12,900 $ 60,570
Equivalent units of production 1,100 1,000 900
1. Compute the cost per equivalent unit for materials, for labor, and for overhead.
2. Compute the total cost per equivalent whole unit.