Direct materials are added at the start of production. Conversion costs are added evenly throughout production. This company used the FIFO method of process costing. The following information is available for September 2020: Equivalent Units Direct Physical Conversio n Units Materials Costs Work in process, Sept. 1 25,000 100% of direct materials done, 80% of conversion. Started in Sept. 61,000 Completed and transferred out in Sept. 74,000 Work in process, Sept. 30 12,000 100% of direct materials done; 50% of conversion done. Costs Work in process, Sept. 1 78,100 62,800 Added in September 193,490 a. Cost per equivalent unit for materials, conversion in Sept. (to 1/100 cent) 131,600 b. Cost of goods transferred out S total $ DM:$ c. Cost of ending inventory Conv. $