In its first month of operations, Whispering Winds Corp. made three purchases of merchandise in the following sequence: (1) 500 units at $5.(2) 600 units at $6, and (3) 700 units at $8.
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 400 units on hand at the end of the
period. (Round answer to O decimal places, e. g. 125.)