tubaugh corporation has two major business segments--East and West. In december, the east business segment has sales revenue of $280,000, variable expenses of $155,000 and traceable fixed expense of $35,000. During the same month, the west business segment has sales revenue of $950,000, variable expenses of $496,000 and traceable fixed expenses of $181,000. the common fixed expenses total $270,000 and were alloacated as follows: $135,000 to the east business segment and $135,000 to the west business segment. Aproperly constructed segmented income statement in a contribution format would show that the segment margin of the east business segment is: