Equivalent Units of Cortversion Costs The Rolling Department of Krous Stees Company had 6, 399 tons in beginning work in process inventory (90\% complete) on October 1 , During October, 71,100 tons were completed. The ending work in process inventory on October 31 was 4,977 tons (J0\% complete). What are the total equivalent units for conversion costs? Round to the neareat whele unit. X units