Pronghorn Corpuses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost $ 600 June 1 Inventory 120 $5 12 Purchases 320 6 1.920 23 Purchases 200 7 1.400 30 Inventory 240 Calculate weighted average unit cost. (Round answer to 3 decimal places, s. 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.) FIFO LIFO Average cost The cost of the ending Inventory $ $ $ The cost of goods sald $ $