Tubaugh Corporation has two major business segments-East and West. In December, the East business segment had sales revenues of $690,000, variable expenses of $352,000, and traceable fixed expenses of $104,000. During the same month, the West business segment had sales revenues of $140,000, variable expenses of $56,000, and traceable fixed expenses of $24,000. The common fixed expenses totaled $162,000 and were allocated as follows: $89,000 to the East business segment and $73,000 to the West business segment. The contribution margin of the West business segment is: A) $422,000 B) $145,000 C) $84,000 D) $234,000