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 28 units for $25 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 18 units $10.00 cost 35 units $15.00 Cont 28 units @ $18.00 cont QS 6-11 Perpetual: Inventory costing with LIFO LO P1 Required: Monson sells 28 units for $25 each on December 15. Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending inventory when costs are assigned based on LIFO Perpetual LIFO: Goods purchased Cost of Goods Sold Inventory Balance Cost per Date #ot units Cost of Goods Available for Sale #ot units sold Cost per cost of Goods unit Sold # of units Cost per unit Inventory Balance unit December 7 December 14 December 15 e @