Required information Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Also, on December 15, Monson sells 27 units for $40 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 17 units @ $16.00 cost 33 units @ $24.00 cost 27 units @ $29.00 cost Required: Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending inventory based on the method Required information Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Also, on December 15, Monson sells 27 units for $40 each. Purchases on December 7 Purchases on December 14 Purchases on December 21 17 units @ $16.00 cost 33 units @ $24.00 cost 27 units @ $29.00 cost Required: Monson uses a perpetual inventory system. Determine the costs assigned to the December 31 ending inventory based on the method