Please help me solve all of these parts in the question including all pictures (numbers 1-3)! Thank you so much

Required informatio [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 Office Total Company Chicago 54,000 93,600 548- Minneapolis $900,000 100.08 $180,000 1008 $720,000 100% Sales Variable expenses Contribution marain Traceable fixed expenses Office segment margin Common fixed expenses not traceable to offices Net operating income 486,000 54.0% 414,000 201,600 212,400 23.6% $ 32,400 144,000 16.0% 308 424,000 40% 108,000 15% 25% 432,000 60% -46. O%-126,000 70% 22.4% 18% $180,000 $ 68,400 7.6% 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