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 Sales Varlable expenses Contribution margin Traceable fixed expenses office segmentsargin Common fixed expenses nat traceable to offices Net operating incese Total Company $ 472,500 100% 236,250 sex 236,250 50X 132,300 28% 183,950 223 66,150 14% $ 37,800 8% Office Chicago Minneapolis $ 157,500 100% $ 315,00 100% 47.250 38% 189.eee 50% 110,250 70% 126,000 40% 81,9ee 52% 50,400 16% $ 28,350 18% $75,600 24% 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