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 perpetual inventory system. Also, on December 15, Monson sells 15 units for $37 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 10 units $23.00 cost 20 units $29.00 cost 15 units $31.00 cost Of the units sold, 8 are from the December 7 purchase and 7 are from the December 14 purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification. Purchases: December 7 December 14 December 21 Total Specific Identification Goods Available for Sale Cost of Goods Sold Ending Inventory Cost per Cost of Goods #of Cost # of units Cost of # of units Available for units unit Sale soldi per unit Goods Sold in ending Inventory Cost per Ending unit Inventory $ $ 0.00 $ 0 $ 0.00 $ 0 0.00 0 0.00 0 0.00 0 $ 0 0 $ 0 0 $ 0