In its first month of operations, Marigold Corp. made three purchases of merchandise in the following sequence: (1) 210 units at $ 9, (2) 420 units at $ 10, and (3) 410 units at $ 11. Assuming there are 120 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 $ LIFO (b) Cost of the ending inventory $