Zippy Shoe Co. uses a periodic inventory system. Zippy purchased 415 pairs of shoes at $80 each in June, 970 palrs in August at $82 each, and 640 pairs in December at $85 each. Zippy sold 1,875 pairs of shoes during the year. Required: Calculate the company's ending Inventory and cost of goods sold using the each of following inventory costing methods. a. FIFO b. LIFO c. Weighted Average Complete this question by entering your answers in the tabs below. Required A Required B Required LIFO Cost of Goods Sold Ending Inventory S 12,000