Required information [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 23 units for $30 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 13 units @ $12.00 cost 30 units @ $18.00 cost 23 units @ $22.00 cost Of the units sold, 10 are from the December 7 purchase and 13 are from the December 14 purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification. Specific Identification Goods Available for Sale Cost of Goods Sold Ending Inventory # of units Cost per unit Cost of Goods Available for # of # of units Sale units sold Cost Cost of per unit Goods Sold in ending Cost per Ending unit Inventory inventory Purchases: December 7 $ 0 $0.00 $ 0 $ 0.00 $ 0 December 14 0 0.00 0 0.00 0 December 21 0 0.00 0 Total 0 $ 0 0 $ 0 0 $ 0