At the beginning of the recent period, there were 900 units of product in a department, one-third completed. These units were finished and an additional 5,000 units were started and completed during the period. 800 units were still in process at the end of the period, one-fourth completed. Using the Weighted Average valuation method, the equivalent units produced by the department were: 6700 units 5900 units 5800 units 6100 units 8500 units