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: Sales Variable expenses Contribution margin Traceable fixed expenses office segment margin Common fixed expenses not traceable to offices Net operating income Total Company $1,012,500 100.00 546,750 54.08 465,750 46.03 226,800 22.44 238,950 23.68 162,000 16.00 $ 76,950 Office Chicago Minneapolis $ 202,500 1001 $ 810,000 1008 60.750 308 486,000 600 141,750 700 324.000 401 105,300 525 121,500 158 $36,450 188 $ 202,500 253 7.60 Exercise 6-16 Part 1 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