In its first month of operations, Bethke Company made three purchases of merchandise in the following sequence: 200 units at $7_r 540 units at $8, and 125 units at $9. Calculate the average unit cost. Average unit cost $ Compute the cost of the ending inventory under the average-cost method, assuming there are 300 units on hand. The cost of the ending inventory under the average cost method, assuming there are 300 units on hand. The cost of the ending inventory $