Hanson Corporation uses the weighted-average method in its process costing system. Data concerning the first processing department for the most recent month aro listed below Beginning work in process inventory: 200 .. $2,200 ....$1,000 50% 10% 6,500 6,100 Units in beginning work in process inventory Conversion costs.... Percent complete with respect to materials.... Percent complete with respect to conversion.. Units started into production during the month. Units transferred to the next department during the month Materials costs added during the month.$13 Conversion costs added during the mont.$312,600 Ending work in process inventory: Units in ending work in process inventory Percent complete with respect to materials.. Percent complete with respect to conversion.. 600 80% 60% Note: Your answers may differ from those offered below due to rounding error. In all cases, select the answer that is the closest to the answer you computed. To reduce rounding error, carry out all computations to at least three decimal places. 5. What are the equivalent units for materials for the month in the first processing department? A. 480 B. 6,700 C. 6,580 D. 6,100