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Required information 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 $45 each. Purchases on December 7 18 units @ $18.00 cost Purchases on December 14 32 units @ $27.00 cost Purchases on December 21 28 units @ $32.00 cost equired: onson sells 28 units for $45 each on December 15. Monson uses a perpetual inventory system. Determine the costs assign ecember 31 ending inventory when costs are assigned based on LIFO erpetual LIFO: Cost of Goods Sold Inventory Balance Goods purchased