help on (b)

In its first month of operations, Sheffield Corp. made three purchases of merchandise in the following sequence: (1) 350 units at sa (2) 400 units at $9, and (3) 500 units at $10. Your answer is incorrect Compute the cost of the ending inventory under the average cost method, assuming there are 250 units on hand at the end of the period. (Round answer to decimal places, eg. 125) The cost of the ending inventory $ Textbook and Media