[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 perpetual inventory system. Also, on December 15 , Monson sells 15 units for $20 each. termine the costs assigned to ending inventory when costs are assigned based on the LIFO method. 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 perpetual inventory system, Also, on December 15. Monson sells 15 units for $20 each. termine the costs assigned to ending inventory when costs are assigned based on the weighted average method. te: Round your per unit costs to 2 declmal places. Required Information [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 perpetual inventory system. Also, on December 15 . Monson sells 15 units for $20 each. D 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. [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 perpetual inventory system. Also, on December 15. Monson sells 15 units for $20 each. Requlred: Determine the costs assigned to the December 31 ending inventory based on the FIFO method