In its first month of operations, a company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $7, and (3) 200 units at $8. Assuming there are 360 units on hand, compute the cost of the ending inventory under the (a) FIFO method and (b) LIFO method. The company uses a periodic inventory system. Use excel