Ethermine Best Flux (ZelCash)... Dashboard - Ether... The following lots of Commodity Z were available for sale during the year. Beginning inventory 12 units at $48 First purchase 16 units at $52 Second purchase 21 units at $27 Third purchase 14 units at $65 < The firm uses the periodic inventory system, and there are 21 units of the commodity on hand a What is the ending inventory balance of Commodity Z using the weighted average cost method? Oa. $962 b. $1,099 Oc. $1,044 Od. $1,008