Required information Use the following information for the Quick Study below (Static) (15-18) [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 15 units for $20 each. Purchases on December 7 10 units @ $ 6 cost Purchases on December 14 20 units @ $12 cost Purchases on December 21 15 units @ $14 cost QS 5-17A (Static) Periodic: Inventory costing with weighted average LO P3 Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method. Note: Round cost per units to 2 decimal places. Weighted average - Periodic Goods Available for Sale Cost of Goods Sold Ending Inventory Cost per Cost of Goods Average Cost of # of units Average Ending # of units Available for # of units Cost per unit sold Goods Sold in ending Cost per unit Sale Unit inventory Inventory Purchases: December 7 December 14 December 21 Total $ $ 0.00 $ 0.00