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 officesone 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 Office Total Company Chicago Minneapolis $ 477,000 238,500 100.00% 50.00% $ 159,000 47,700 100.00% 30.00% $ 318,000 100.00% 190,800 60.00% 238,500 50.00% 111,300 70.00% 127,200 40.00% 133,560 28.00% 82,680 52.00% 50,880 16.00% 104,940 22.00% $ 28,620 18.00% $ 76,320 24.00% 66,780 14.00% $ 38,160 8.00%