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 30 units for $50 each. 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 pe) units to 2 decimal places.)