Help Tubaugh Corporation has two major business segments-East and West in December, the East business segment had sales revenues of $250.000. variable expenses of $140.000, and traceable foed expenses of $32,000. During the same month, the West business segment had sales revenues of $920,000 variable expenses of $484000, and traceable ford expenses of $175,000. The common fixed expenses totaled 5258,000 and were allocated as follows $129,000 to the East business segment and $129,000 to the West business segment The contribution margin of the West business segmentis Multiple Choice $78,000 O $15.000 5436,000 O S5-49,000