紫同学2018-01-31 07:42:40

13. Cinnamon Corp. started business in 2007 and uses the weighted average cost method. During 2007, it purchased 45,000 units of inventory at €10 each and sold 40,000 units for €20 each. In 2008, it purchased another 50,000 units at €11 each and sold 45,000 units for €22 each. Its 2008 cost of sales (€ thousands) was closest to: A. €490. B. €491. C. €495. 麻烦老师帮忙讲一下这道题，我怎么算不到备选答案呢？附一下解题过程。谢谢！