Martin Company manufactures a single product. The company uses the weighted average cost method in its process costing system. Activity for June has just been completed. An incomplete production report for the first processing department follows Quantity Schedule Units to be accounted for: Work in process, June 1 (all materials, 75% labour and overhead added last month) Started into production 21,500 101,000 Total units 122,500 Total Cost Whole Unit Materials Labour Overhead Cost to be accounted for $ 2,200 Work in process, June 1 Cost added by the department $ 27,460 21,300 $ 3,960 26,280 S 28,480 113,200 49,260 $ 53,220 113,200 147,340 71,800 $174,800 93,100 122,500 Total cost (a) Equivalent units (b) Cost per EU, (a)-(b) $ 0.76 S 0.25 +$ 0.47- $1.48 Required 1. Prepare a schedule showing how the equivalent units were computed for the first processing department. Equivalent Units (EU) Quantity Materials Schedule Labour Overhead Units accounted for as follows: 107,000 15,500 122,500 Transferred to the next department Work in process, June 30 (all materials, 40% labour and overhead added this month Total units and equivalent units of production