South River Chemical manufactures a product called Zbek. Direct materials are added at the peginning of the process, and conversion activity occurs uniformly throughout production. The beginning work-in-process inventory is 100% complete for DM and 60% complete for conversion; the ending work-in-process inventory is 100% complete for DM and 20% complete or conversion. The following data pertain to May: C Use the WEIGHTED AVERAGE method. Show computations a. Compute the equivalent units of production for DM and conversion. b. Compute the cost per equivalent unit for DM and conversion