How did you get answer D? of this problem

Stover Company uses the weighted-average method in its process costing system. Information concerning Department A for the month of June follows: Ending WIP is 100% complete as to materials and 60% complete as to conversion. The cost per equivalent unit for materials costs is closest to which number. A) $0.89. B) $0.97. C) $1.01. D) $0.83. Problem 4 (5 points - You MUST write and show all your work, otherwise no points will be given) The Assembly Department started the month with 83,000 units in its beginning work in process inventory. An additional 334,000 units were transferred in from the prior department during the month to begin processing in the Assembly Department. There were 34,000 units in the ending work in process inventory of the Assembly Department. How many units were transferred to the next processing department during the month? A) 417,000 B) 285,000 C) 451,000 D) 383,000 Materials Units Costs Work in process, beginning ....... 17,000 $12,800 Started in June............................ 82,000 69,700 Units completed ......................... 85,000 Work in process, ending............. 14,000