Required information (The following information 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: Total Company $ 450,000 100.0% 243,000 54.0% Sales Variable expenses Contribution margin Traceable fixed expenses Office segment margin Common fixed expenses not traceable to offices Net operating income Office Chicago Minneapolis $ 90,000 100% $ 360,000 100% 27,000 30% 216,000 63,000 70% 144,000 40% 46,800 52% 54,000 1 $ 16,200 18% $ 90,000 25% 100,800 106,200 72,000 34,200 22.4% 23.6% 16.08 7.6% $ 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