Campbell Corporation Material A is added at the stapt of production, while Material B is added uniformly throughout the process. Refer to Campbell Corporation. Assuming a weighted average method of process costing, compute EUP units for Materials A and B. Select one: a. 2,700 and 2,450 , respectively . b. 2,000 and 2,240 , respectively c. 2,700 and 2,280 , respectively d. 2,240 and 2,700 , respectively