Prince Corp. owned 80% of Kile Corp.'s common stock. During October 2011, Kile sold merchandise to prince for $140,000. At December 31, 2011, 50% of this merchandise remained in Prince's inventory. For 2011, gross profit percentages were 30% of sales for Prince and 40% of sales for Kile. The amount of unrealized intercompany profit in ending inventory at Dec 31, 2011 that should be eliminated in the consolidation process is:
A. $56,000
B. $22,400
C. $28,000
D. $42,000