Zippy Shoe Co. uses a periodic inventory system. Zippy purchased 440 pairs of shoes at $73 each in June, 960 pairs in August at $75 each, and 620 pairs in December at $78 each. Zippy sold 1,880 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.

1. FIFO
2. LIFO
3. Weighted Average