mination applies to the questions displayed below.) 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: Sales Variable expenses Contribution margin Chicago Office Minneapolis $187,500 100% $750,000 100% 56,250 30% 450,000 60% 131,250 70% Total Company $937,500 100.0% 506,250 54.0%) 431,250 46.0% 300,000 40% Traceable fixed expenses Office segment margin 22.4% Common fixed expenses not traceable to offices. Net operating income 210,000 221,250 23.6% $ 33,750 150,000 16.0% $ 71,250 7.6% 97,500 52% 112,500 15% 18% $ 187,500 25% Exercise 7-16 Part 1 Required: 1-a. Compute the companywide break-even point in dollar sales. 1-b. Compute the break-even point for the Chicago office and for the Minneapolis office. 1-c. Is the companywide break-even point greater than, less than, or equal to the sum of the Chicago and Minneapolis break-even points