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 periodic inventory system. Also, on December 15 . Monson sels 29 units for $45 each. purchases on December 7 Purcheses on December 14 purchases on December 21 Determine the costs assigned to ending inventory when costs are assigned based on the FifO method. 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 periodic inventory system. Also, on December 15 . Monson sels 29 units for $45 each. purchases on December 7 Purcheses on December 14 purchases on December 21 Determine the costs assigned to ending inventory when costs are assigned based on the FifO method