Zippy Shoe Co. uses a periodic inventory system. Zippy purchased 400 pairs of shoes at $69 each in June, 970 pairs in August at $71 each, and 630 pairs in December at $74 each. Zippy sold 1,870 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 quettion by entering your answers in the tabs below Required A Required B Requiredc FIFO Cost of Goods Sold Ending Inventory