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 $20 each. PurchasesonDecenber7PurchasesonDecember14PurchasesonDecember2110unitse$6cost20unitse$12cost15units$14cost QS 5-14 (Static) Perpetual: Inventory costing with specific identification LO P1 Of the units sold, eight are from the December 7 purchase and seven are from the December 14 purchase. Determine the costs assigned to ending inventory when costs are assigned based on specific identification