[The following information applies to the questions displayed below) Trey Monson starts a merchandising business on December 1 and enters into the following three Inventory purchases. Monson uses a periodic inventory system. Also, on December 15, Monson sells 15 units for $20 each Purchases on December Purchases on December 14 Purchases on December 21 10 units $6 cost 20 units $12 cost 15 units $14 cost Monson sells 15 units for $20 each of the units sold, eight are from the December 7 purchase and seven are from the December 14 purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification, Specific Identification Cost of Goods Available for Sale Cost of Goods Sold # of units Cost per unit Cost of Goods Available for Sale # of units sold Inventory Balance Mof units in ending Cost per Ending unit Inventory Inventory Cost Cost of per unit Goods Sold Purchases December 7 December 14 December 21 Total