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se the following information for questions 18-20: Cervetti Corporation has two major business segments-East and West. In July, the East business segment had sales revenues of $220,000, variable expenses of $125,000, and traceable fixed expenses of $29,000. During the same month, the West business segment had sales revenues of $890,000, variable expenses of $472,000, and traceable fixed expenses of $169,000. The common fixed expenses totaled $246,000 and were allocated as follows: $123,000 to the East business segment and $123,000 to the West business segment. 18) The contribution margin of the West business segment is: A) $66,000 B) $513,000 C) ($57,000) D) $418,000 19) A properly constructed segmented income statement in a contribution format would show that the segment margin of the East business segment is A) ($28,000) B) $125,000 C) $66,000 D) ($57,000) 20) A properly constructed segmented income statement in a contribution format would show that the net operating income of the company as a whole is: A) ($177,000) B) $315,000 C) $513,000 D) $69,000