In a process with 850 units of beginning Work in Process inventory, the company completed and transferred out 9300 units during a period. There were 5000 units in the ending Work in Process inventory that were 60% complete as to conversion costs. Direct materials are added 80% at the beginning of the process and 20% when the units are 90% complete. How much is equivalent units of production for the period for material costs if the weighted-average method is used? O 14300 equivalent units of production O 13300 equivalent units of production O 10230 equivalent units of production O 11160 equivalent units of production