Use the following information for the Quick Study below. (Static) (11-14) [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 $20 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 10 units @$ 6 cost 20 units @ $12 cost 15 units @$14 cost QS 5-13 (Static) Perpetual: Inventory costing with weighted average LO P1 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 Date #of units Cost per unit Inventory Value #of units ald unit Cost per Cost of Goods Sold # of units Inventory Balance Cost per unit Inventory Balance