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 10 units for $50 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 3 units @ $20.00 cost 17 units @ $30.00 cost 15 units @ $36.00 cost Required: Monson sells 10 units for $50 each on December 15. Monson uses a perpetual inventory system. Determine the costs assigned to th December 31 ending inventory when costs are assigned based on LIFO. Perpetual LIFO: Goods purchased Cost of Goods Sold Inventory Balance Cost per Cost of Goods Cost per Available for unit Sale # of units sold #of units Cost per Cost of Goods Sold # of units Inventory Balance Date unit unit December 7 $ 000 December 14 $ 0.00 Perpetual LIFO: Goods purchased Cost of Goods Sold Inventory Balance Date Hot units Cost per Cost of Goods Available for Sale unit #of units sold Cost per Cost of Goods unit Sold # of units Cost per unit Inventory Balance $ 0.00 December 7 December 14 $ 0.00 A 0.00 December 15 December 21 $ 0.00 Totals +