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 30 units for $35 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 20 units @ $14.00 cost 36 units @ $21.00 cost 30 units @ $25.00 cost QS 5-17A (Algo) 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. (Round cost per units to 2 decimal places.) Welghted average - Periodic Goods Available for Sale Cost of Goods Sold Cost per Cost of Goods of units Average Cost of # of units unit Available for Goods Sold Sale sold Unit Ending Inventory # of units Average Ending in ending Cost per unit Inventory inventory Cost per Purchases December 7 December 14 December 21 Total $ $ 0.00 $ 0.00