Required information [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: Office Total Company Chicago Minneapolis Sales $ 490, 500 100.00% $ 163, 500 100. 00% $ 327, 000 100. 00% Variable expenses 245, 250 50. 00% 49, 050 30. 00% 196, 200 60.00% Contribution margin 245, 250 50.00% 114, 450 70. 00% 130, 800 40. 00% Traceable fixed expenses 137, 340 28.00% 85, 020 52, 00% 52, 320 16. 00% Office segment margin 107, 910 22. 00% $ 29, 430 18. 00% $ 78, 480 24. 00% Common fixed expenses not traceable to offices 68, 670 14.00% Net operating income $ 39,240 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