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 30 units for $50 each Purchases on December 7 Purchases on December 14 Purchases on December 21 20 units $20.00 cost 34 units @ $30.00 cost 30 units 9936.00 cost Required: Monson sells 30 units for $50 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: Cost of Goods Sold Inventory Balance of Goods purchased Cost of Goods Available for Sale Cost per # of units sold Cost per Cost of Goods Sold # of units Cost per Inventory Balance December 7 $ 0.00 December 14 5 0.00 S 0.00 December 15 December 21 S 0.00 Total