Required information Tiey Monson starts a metchandising business on December 1 and enters into the following three inventory purchases Aso, on December 15, Montion setis 23 units for $30 each. Tequired: Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending inventory based on the Fifo nethod. (1) Regulred information 49 method Peridut Fantda = (2 a