Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Monson uses a perpetual inventory system. Also, on December 15, Monson sells 30 units for $40 each. Purchases on December 7 Purchases on December 14 Purchase on December 21 20 units 516.00 cost 35 units 324.00 cost 30 units $29.00 cout QS 5-12 (Algo) Perpetual: Inventory costing with LIFO LO P1 Determine the costs assigned to ending inventory when costs are assigned based on the LIFO method. Parratul UFO: Goods purchased Cost of Goods Sold Cooper Cost of Goods W of of units unit Cost per Cost of Goode Available for units unit Sold Sale sold Inventory Balance Date of units Cost per Inventory Balance unit December $ 0.00 $ 0.00 December 14 Total December 14 0.00 December 15 Totul December 15 S 0.00 December 21 Total