Required information Trey Monson starts a merchandising business on December 1 and enters into the following Also, on December 15, Monson sells 28 units for $45 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 18 units @ $18.00 cost ts @ $27.00 cost 28 units ts @ $32.00 cost Required: Monson sells 28 units for $45 each on December 15. Monson uses a perpetual inventory system. December 31 ending inventory when costs are assigned based on LIFO. Perpetual LIFO: Cost of Goods Sold Invento Goods purchased Cost of Goods unit Sale Date Cost per # of units Available for # of units sold Cost per Cost of Goods unit Sold Cos December 7 $ $ 0.00 0.00 December 14 December 15 Perpetual LIFO - Cost of Goods Sold Inventory Balance # of units #of units Date Cost per Cost of Goods unit # of units Cost per unit Inventory Balance Goods purchased Cost of Goods Cost per Available for unit Sale $ 0.00 $ 0.00 sold December 7 December 14 December 15 December 21 INS 0.00 Totals