Shamrock Company uses the perpetual inventory system and the weighted average cost formula. The following information is available for the month of June: Unit Date Explanation Units Cost Jun 1 Beginning Inventory 370 $10 Jun 15 Purchase 470 10 Jun 17 Sale 420 ? Jun 24 Purchase 570 12 Prepare a schedule to show cost of goods sold and the value of the ending inventory for the month of June. Date Units Jun 1 Jun 15 Jun 17 Jun 24 +A Purchases Cost +A +A $ Total Units