Zippy Shoe Co. uses a periodic inventory system. Zippy purchased 415 pairs of shoes at $67 each in June, 990 pairs in August at $69 each, and 640 pairs in December at $72 each. Zippy sold 1,865 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