Current Attempt in Progress In its first month of operations, Vaughn Company made three purchases of merchandise in the following sequence: (1) 320 units at $8, (2) 430 units at $9, and (3) 250 units at $10. (a) Calculate the average unit cost. (Round answer to 2 decimal places, e.g. 15.25.) Average unit cost $ Save for Later Attempts: 0 of 1 used Submit Answer (b) Compute the cost of the ending inventory under the average-cost method, assuming there are 400 units on hand. (Round answer to 0 decimal places, e.g. 1,250.) The cost of the ending inventory $ Save for Later Attempts: 0 of 1 used Submit Answer