In a process with 780 units of beginning Work in Process, the company completed and transferred out 9400 units during a period. There were 4800 units in the ending Work in Process that were 40% complete as to conversion costs. Materials are added 70% at the beginning of the process and 25% when the units are 85% complete. How much is equivalent units of production for the period for material costs if the weighted-average method is used?