In its first month of operations, Skysong, Inc. made three purchases of merchandise in the following sequence: (1) 650 units at $6, (2) 750 units at $8, and (3) 850 units at $9.

Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.)

Compute the cost of the ending inventory under the average-cost method, assuming there are 550 units on hand at the end of the period. (Round answer to 0 decimal places, e.g. 125.)