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. Equivalent units in ending work in process Equivalent units completed and transferred out of work in process Cost per equivalent unit Materials 6,000 42,000 $1.75 Conversion 4,600 42,000 $2.40 Compute the total cost Plum assigned to its ending work in process inventory. O $111,840 0 $ 21,540 0 $ 80,500 0 $ 43,990