In its first month of operations, Skysong, Inc. made three purchases of merchandise in the following sequence: (1) 290 units at $4, (2) 390 units at $6, and (3) 490 units at $7. Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Average unit cost $ e Textbook and Media List of Accounts Compute the cost of the ending inventory under the average-cost method, assuming there are 190 units on hand at the end of the period. (Round answer to 0 decimal places, e.g. 125.) The cost of the ending inventory $