In its first month of operations, Oriole Company made three purchases of merchandise in the following sequence: (1) 300 units at $7. (2) 400 units at $9, and (3) 600 units at $10. Assuming there are 200 units on hand at the end of the period. Oriole uses a periodic inventory system. Compute the cost of the ending inventory under the average-cost method. (Round the cost per unit to 3 decimal places, e.g. 8.875 and the final answer to O decimal places, e.g. 5,275.) Cost of the ending inventory $