Required information Use the following information for the Quick Study below. (Algo) (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 28 units for $25 each. Purchases on Deceaber 718 units e$10.00 cost Purchasea on December 1435 unita e $15.00 cost Purchases on December 2128 units $18.00 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 units to 2 decimal places.)