Gaither Company uses a process costing system and the weighted average method. The following data applies to January. The ending work in process inventory is 90% complete. The total number of equivalent units processed during January was: Multiple Choice 34,700 36.500 38,500 Gaither Company uses a process costing system and the weighted average method. The following data applies to January. The ending work in process inventory is 90% complete. The total number of equivalent units processed during January was: Multiple Choice 34,700 36.500 38,500