Required Information Use the following Information for the Quick Study below. Trey Monson starts a merchandising business on December 1 and enters into the following three Inventory purchases. Also on December 15, Monson sells 18 units for $10 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 8 units @ $4.ee cost 26 units @ $6.ee cost 18 units @ $7.ee cost QS 5-13 Perpetual: Inventory costing with specific Identification LO P1 Required: Monson sells 18 units for $10 each on December 15. Of the units sold, 6 are from the December 7 purchase and 12 are from the December 14 purchase. Monson uses a perpetual Inventory system. Determine the costs assigned to the December 31 ending Inventory when costs are assigned based on specific identification. Specific Identification-Perpetual: Goods purchased # of Date Cost per units unit Cost of Goods Sold # of Cost of units unit Goods Sold sold Cost per # of units Inventory Balance Cost per Inventory unit Balance December 7 December 14 December 15 December 21 Totals