Required information Use the following information for the Quick Study below. (Algo) (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 $32 each. Purchases on December 7 Purchases on December 14 10 units @ $18.00 cost 20 units @ $24.00 cost Purchases on December 21 15 units @ $26.00 cost QS 5-13 (Algo) 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.) December 7 Weighted Average - Perpetual: Goods purchased Cost of Goods Sold Date # of Cost per unit units Inventory Value # of units unit Cost per Cost of Goods Sold sold December 14 Average cost December 14 December 15 December 21 Average cost December 21 Totals Inventory Balance # of units Cost per unit Inventory Balance