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 Total Company Chicago Minneapolis Sales $ 450,000 Variable expenses 225,000 100% 50% $ 150,000 45,000 Contribution margin Traceable fixed expenses office segment margin Common fixed expenses not traceable to offices Net operating income 225,000 50% 126,000 289 99,000 22 63,000 149 88 $ 36,000 105,000 100% 30% 70% $ 300,000 100% 180,000 120,000 60% 40% 78,000 $ 27,000 189 529 48,000 168 $ 72,000 24% Exercise 6-16 Part 1 (Static) Working with a Segmented Income Statement; Break-Even Analysis [LO6-4, LO6-5] 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?