Raner, Harris & Chan is a consulting firm that specializes in information systems for medical and dental clinics. The firm has two offices-one in Chicago and one in Minneapolis. The firm classifies the direct costs of consulting jobs as variable costs. A contribution format segmented income statement for the company's most recent year is given: Office Sales Variable expenses Contribution margin Traceable fixed expenses Total Company $ 450,000 225,000 225,000 50% 126,000 28% 100% 50% Chicago $ 150,000 45,000 100% Minneapolis $ 300,000 100% 30% 180,000 60% 105,000 70% 120,000 40% 78,000 52% 48,000 16% Office segment margin Common fixed expenses not traceable to offices Net operating income $ 36,000 99,000 22% 63,000 14% 8% $ 27,000 18% $ 72,000 24% Total Company Amount Segments Chicago Minneapolis % Amount % Amount % 0 0.0 0.0 0 0.0 0 0.0 $ 0 0.0 $ 0 0.0 $ 0 0.0