Stoltenberg Co. had the following information for the month of June 21 Work in process beginning inventory, June 1 Units transferred irn Work in process ending inventory, June 30 3,100 units 15,700 units 3,900 units Beginning work-in-process inventory is 30 percent complete as to conversion. Ending work-in-process inventory is 50 percent complete as to conversion. Materials are added at the end of the process The equivalent units for conversion under the weighted average method are calculated to be: 17650 6,850 12,950 12,600 8,700