Required information Use the following information for the Quick Study below. (Algo) (11-14) [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 25 units for $45 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 15 units @ $18.00 cost 30 units $27.00 cost 25 units $32.00 cost QS 5-11 (Algo) Perpetual: Assigning costs with FIFO LO P1 Required: Determine the costs assigned to the December 31 ending inventory based on the FIFO method.