Walsh 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. A properly constructed segmented income statement in a contribution format would show that the net operating income of the company as a whole is: Select one. a. $132,000 b. $422,000 C 5(30,000) d. $294,000