Zippy Shoe Company uses a periodic inventory system. Zippy purchased 425 pairs of shoes at $71 each in June, 965 pairs in August at $73 each, and 630 pairs in December at $76 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. FIFO LIFO Weighted Average