Sandhill Co. uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 140 $5 $700 12 238 Purchases 350 6 2,100 23 Purchases 230 7 1,610 30 Inventory 250 Calculate weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted average unit 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.) The cost of the ending inventory The cost of goods sold FIFO $ $ LIFO Average-cost $