! 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 Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method. (Round cost per units to 2 decimal places.) Purchases: December 7 December 14 December 21 Total Weighted average - Periodic Goods Available for Sale Cost of Goods Sold Ending Inventory # of units Cost per unit Cost of Goods Available for Sale # of units sold Average Cost per Unit Cost of Goods Sold # of units in ending inventory Average Ending Cost per unit Inventory 0 $ 0 $ 0.00 GA $ 0.00