The following lots of Commodity Z were available for sale during the year. Beginning inventory First purchase Second purchase Third purchase The firm 7 units at $52 17 units at $51 55 units at $56 15 units at $59 the periodic system, and there are 22 units of the commodity on hand at the end of the year. What is the ending inventory balance at the end of the year according to the LIFO method? Oa. $1,144 Ob. $1.129 Oc. $5,196 Od. $1.277