The Smelting Department of Carla Vista Company has the following production data for November. Beginning work in process 1,920 units that are 100% complete as to materials and 20% complete as to conversion costs; units completed and transferred out 8,640 units; and ending work in process 6,720 units that are 100% complete as to materials and 40% complete as to conversion costs. Compute the equivalent units of production for (a) materials and (b) conversion costs for the month of November