Pierce & Company provides the following information concerning the work in process at its plant: Beginning inventory was partially complete (materials are 100 percent complete; conversion costs are 62 percent complete). Started this month, 60,900 units. Transferred out, 50,100 units. Ending inventory, 21,000 units (materials are 100 percent complete; conversion costs are 13 percent complete). Required: a. Compute the equivalent units for materials using the weighted average method. b. Compute the equivalent units for conversion costs using the weighted average method. Equivalent Units a. Materials Conversion costs b