[The following informatic applies to the questions 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 $22 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 10 units @ $8.00 cost 20 units $14.00 cost 15 units @$16.00 cost Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method: (Round your per unit costs to 2 decimal places.) Weighted Average Perpetual: Goods purchased Cost of Goods Sold Inventory Balance # of Date #of units Cost per unit Inventory Value units sold Cost per Cost of Goods unit Sold # of units Cost per unit Inventory Balance