* Your answer is incorrect. In its first month of operations, Vaughn Company made three purchases of merchandise in the following sequence: (1) 330 units at $8. (2) 470 units at $9, and (3) 220 units at $10. Assuming there are 390 units on hand, compute the cost of the ending inventory under the (a) FIFO method and (b) LIFO method. Vaughn uses a periodic inventory system. Cost of the ending inventory Textbook and Media eTextbook Save for Later FIFO LIFO $ 3900 3120 Attempts 1ol Su Assistance Used