ES Exercise 6-07 a1-a2 Riverbed Corp uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 105 $5 $525 12 Purchases 375 6 2,250 23 Purchases 205 7 1,435 30 Inventory 235 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 0 decimal places, e.g. 125.) The cost of the ending inventory s FIFO LIFO Average-cost The cost of goods sold