Grouper Company reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 315 $4 $1,260 12 Purchase 735 S 3,675 23 Purchase 1,050 6 6.300 30 Inventory 392 (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, eg. 5.25 and final answers to O decimal places, eg. 2,520) FIFO Ending inventory Cost of goods sold LIFO AVERAGE COST