[The following information applies to the questions displayed below.) Raner. Harris and 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 $ 499,500 100.00 249,75050.004 249,750 50.005 139,860 28.00 109,890 22.00% office Chicago Minneapolis $ 166,500 100.00 $ 333,000 100.000 49,950 38.00 199,800 60.004 116,550 70.000 133,200 40.000 86,580 52.08 53,280 16.004 $ 29,970 18.00 $ 79,920 24.000 69,930 $ 39,960 14.00 8.00 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