In its first month of operations, Sunland Company made three purchases of merchandise in the following sequence: (1) 155 units at $6. (2) 510 units at $7, and (3) 100 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. Sunland uses a periodic inventory system. FIFO (a) Cost of the ending inventory $ LIFO (b) Cost of the ending inventory