The Mownson Manufacturing Company has gathered the following information for the month of September: 6,000 units in the beginning Work-in-Process Inventory (75% complete as to materials, 1/3 complete with respect to the conversion costs) 60,000 units were started into production 50,000 units were completed and transferred to the next department The ending Work-in-Process Inventory is complete as to materials but only 3/8 complete with respect to conversion costs. What are the equivalent units of production (EUP) for the conversion costs in the month of September assuming Mownson uses weighted-average process costing? O 56,000 61,500 O 64,500 54,000