Raner, Harris and Chan is a consulting firm that specializes in information systems for medical and dental clinics. The firm has two officesone 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 companys most recent year is given: Total Company Office Chicago Minneapolis Sales $ 450,000 100% $ 150,000 100% $ 300,000 100% Variable expenses 225,000 50% 45,000 30% 180,000 60% Contribution m