Whispering Winds Company reports the following for the month of June. O 02:20:04 Hide Timer Explanation Date Unit Units Total Cost Cost June 1 Inventory 360 $2,520 12 Purchase 840 6,720 1,200 10,800 23 30 Purchase Inventory 448 (a) Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average cost. (Round average cost per unit to 2 decimal places, e.g. 5.25 and final answers to 0 decimal places, eg. 2,520.) FIFO LIFO AVERAGE COST Ending inventory Cost of goods sold $