Weighted-average method, equivalent units. The assembly division of Quality Time Pieces, Inc. uses the weighted-average method of process costing. Consider the following data for the month of May 2017 Physical Uni Beginning work in process (May 1) Started in May 2017 Completed during May 2017 Ending work in process (May 31)b Total costs added during May 2017 (Watches) 100 510 450 160 a Degree of completion: direct materials, 80%; conversion costs, Degree of completion: direct materials, 80%; conversion costs, Compute equivalent units for direct materials and conversion of your schedule. Required