Mocabe Corporation uses the weighted average method in its process costing. The following data pertain to its Assembly Department for September. n Work in process, September 1 Units started into production during September Units completed during September and transferred to the next department Work in process, September 30 Percent Complete Units Materials Conversion 1,700 55 % 10 % 9,100 8,200 2,600 75 % 25 % Required: Compute the equivalent units of production for materials costs for the Assembly Department for September using the weighted average method. Select one: O a. 10000 Ob. 10150 O c. 10500 d. 11000