urrent Attempt in Progress In its first month of operations, Splish Brothers Inc. made three purchases of merchandise in the following sequence: (1) 120 units at $9. (2) 510 units at $10, and (3) 150 units at $11. Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 15.225.) Weighted-average unit cost eTextbook and Media Compute the cost of the ending inventory under the average-cost method, assuming there are 400 units on hand. (Round answer to O decimal places, eg. 1,250.) The cost of the ending inventory