Brief Exercise 6-3 x Your answer is incorrect. Try again. In its first month of operations, Marigold Corp. made three purchases of merchandise in the following sequence: (1) 110 units at $9, (2) 420 units at $10, and (3) 110 units at $11. Assuming there are 270 units on hand, compute the cost of the ending inventory under the (a) FIFO method and (b) LIFO method. Marigold uses a periodic inventory system. FIFO (a) Cost of the ending inventory 2970 LIFO (b) Cost of the ending inventory 2430