[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 below Office Total Company Chicago Minneapolis Sales Variable expenses Contribution margin Traceable fixed expenses Office segment margin Common fixed expenses not traceable to offices Net operating income $. 862,500 100.0% $ 172,500 100% $ 690.000 100% 60 % 40% 15% 25 % 465,750 396,750 193,200 203,550 54.0 % 46.0 % 22.4 % 51,750 20,750 89,700 23.6% $ 31,050 30 % 70% 52 % 414,000 276,000 103,500 18% $ 172,500 138,000 16.0 % 76 % $65,550