In its first month of operations, Tamarisk, Inc. made three purchases of merchandise in the following sequence: (1) 500 units at $8, (2) 600 units at $9, and (3) 700 units at $11. Calculate average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Average unit cost $ eTextbook and Media eTextbook List of Accounts Assistance Used Compute the cost of the ending inventory under the average-cost method, assuming there are 400 units on hand at the end of the period. (Round answer to O decimal places, e.g. 125.) The cost of the ending inventory $