! 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 $ 517, 500 190. 80% $ 172, 508 190.09% $ 345,080 Variable expenses 258, 750 50. 90% 51, 750 30.09% 297,980 60.90% Contribution margin 258, 750 50. 80% 120,750 79.09% 138,980 40.90% Traceable fixed expenses 144,990 28. 80% 89, 708 52.09% 55,280 16. 90% Office segment margin 113, 850 22. 90% $ 31, 050 18.09% $ 82,890 24. 902 Common fixed expenses not traceable to offices 72,450 14 . 90% Net operating income $ 41, 408 8. 90 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