Question 18 In its first month of operations, Bethke Company made three purchases of merchandise in the following sequence: (1) 145 units at $7, (2) 490 units at $8, and (3) 145 units at $9. Assuming there are 340 units on hand, compute the cost of the ending inventory under the FIFO method and LIFO method. Bethke uses a periodic inventory system. FIFO LIFO Cost of the ending inventory s