can someone help with this managerial accounting practice problem

Required information [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: Total Company $ 450,000 100.ex 243,000 54.0% 207.000 46.9% 189,880 22.4% 106,200 23.6% 72,000 16.ex $ 34,200 7.6% Sales Variable expenses Contribution margin Traceable fixed expenses office segment margin Common fixed expenses not traceable to offices Net operating income Office Chicago Minneapolis $ 90,000 100% $360,000 100% 27,000 30% 216,000 60% 63,000 70% 144,000 46,800 52* 54,000 1533 16,200 18% $ 90,000 25% des $ 2. By how much would the company's net operating income increase if Minneapolis increased its sales by $45,000 per year? Assume no change in cost behavior patterns. Net operating income increase