4 art 4 of 4 sepped Required information Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Also, on December 15, Monson sells 30 units for $25 each. Purchases on December 7 Purchases on December 14 Purchases on December 23 20 units $10.00 cost 36 units @ $15.00 cost 30 units @ $18.00 cost Required: Monson sells 30 units for $25 each on December 15. Of the units sold, 16 are from the December 7 purchase and 14 are from the December 14 purchase. Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending Inventory when costs are assigned based on specific identification.