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 $30 each. Determine the costs assigned to ending inventory when costs are assigned based on the LIFO method Required information [The following information applies fo 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 imventory syetem. Also, on December 15, Monson sells 15 units for $30 each. Required: Determine the costs assigned to the December 31 ending inventory based on the FIFO method. Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Monson uses a perpetual imventory system Asso, on December 15, Monson sells 15 units for $30 each. PurchasesonDeceeber?PurchatesonDeceeberisPurchatesonDeceaber2110unitsof$16.60cost20units8$22.00cost15units8124,00cost Determine the costs assigned to ending inventory when costs are assigned based on the weighted average miethod (Round your per unit costs to 2 decimal pioces.)