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: Sales Variable expenses Contribution margin Traceable fixed expenses Office segment margin Common fixed expenses not traceable to offices Net operating income Total Company $1,012,500 100.0% 546,750 54.0% 465,750 46.0% 226,800 22.4% 238,950 23.6% 162,000 16.0% $ 76,950 7.6% Office Chicago Minneapolis $ 202,500 100% $ 810,000 100% 60,750 30% 486,000 60% 141,750 70% 324,000 40% 105,300 52% 121,500 15% 36,450 18% $ 202,500 25% 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