OBJ. 2 PE 20-4B Equivalent units of conversion costs The Rolling Department of Keystone Steel Company had 400 tons in beginning work in process inventory (20% complete). During the period, 7,900 tons were completed. The ending work in process inventory was 1,000 tons (30% complete, what are the total equivalent units for conversion costs? EE 20-4 p 98 Show Me How uivalent unit OBJ. 2