An analyst does research about inventory methods. A company with no initial inventory on hand made the following purchases of inventory in 2011:
| Period | Number of Units | Price Per Unit |
| 1 | 7000 | $76 |
| 9 | 10100 | $80 |
| 3 | 8000 | $91 |
At the end of 2011, the company had 5000 units of inventory on hand. Under a periodic inventory system, ending inventory using the weighted average cost method is closest to:（）
A. $43000 less than using the FIFO method.
B. $32000 more than using the FIFO method.
C. $43000 more than using the FIFO method.