Cullumber Company uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 130 $5 $650 12 Purchase 370 6 2,220 23 Purchase 200 7 1,400 30 Inventory 230 (a1) Your answer is incorrect. Calculate weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted-average unit cost +A $ Average-cost Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost. (Round answers to O decimal places, e.g. 125.) (a2) Cost of the ending inventory Cost of goods sold eTextbook and Media +A tA FIFO $ to LIFO SA