Use the following intormation for the Quick Study below. Trey Monson starts a merchandising business on December 1 and enters into three inventory purchases: Purchases on December 7 Purchases on December 14 Purchases on December 21 18 units @ $10.00 cost 35 units @ $15.00 cost 28 units $18.00 cost QS 5-13 Periodic: Inventory costing with specific identification LO P1 Required: Monson sells 28 units for $25 each on December 15. Of the units sold, 14 are from the December 7 purchase and 14 are from the December 14 purchase and assume the periodic inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on specific identification. Specific Identification Cost of Goods Available for Sale Cost of Goods Cost per Available for # of units unit Cost of Goods Sold #of Cost Cost of units per unit Goods Sold sold Inventory Balance # of units in ending cost per Ending unit Inventory inventory Sale Purchases December 7 December 14 December 21 Total