Myrna's Manufacturing has 6,000 units in beginning Work in Process, 15% complete as to conversion costs, 15,000 units transferred out to Finished Goods, and 2,000 units in ending Work in Process 10% complete as to conversion costs. Materials are fully added at the beginning of the process. How much are equivalent units for materials if the weighted-average method is used? Select one: O 17,000 21,000 23,000 11,000