Plum Company uses the weighted average method of process costing Data concerning a recent period's activity in the Plum Company's work in process department is presented below Materials Conversion Equivalent unitsin ending work in process 6,000 2.400 Equivalent units completed and transferred but of work in process 42,000 42,000 Cost per equivalent unit $6.75 $2.40 Compute the total cost Plum assigned to its ending work in process inventory $78,860 $20,160 $56,700 546.260