Tubaugh Corporation has two major business segments-East and West. In December, the East business segment hod sales revenues of $270,000 variable expenses of $150,000, and traceable fixed expenses of $34,000, During the same month, the West business segment had soles revenues of $940,000, variable expenses of $492,000, and traceable foed expenses of $179,000. The common fived expenses totaled $266,000 and were allocated as follows: $133,000 to the East business segment and $133,000 to the West business segment The contribution margin of the West business segment is: Multiple Choice $448.000 $573,000 $86,000 $(37.000)