All one question and I am having a lot of difficulty understanding thank you.

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: Sales Variable expenses Contribution margin Traceable fixed expenses Office segment margin Common fixed expenses not traceable to offices Net operating income Total Company $1,050,000 100.0% 567,000 54.0% 483,000 46.08 235,200 22.4% 247,800 23.6% 168,000 16.03 $ 79,800 7.6% Office Chicago Minneapolis $ 210,000 100% $ 840,000 100% 63,000 30 % 504,000 60% 147,000 70% 336,000 40% 109,200 52% 126,000 15% $ 37,800 18 % $ 210,000 25% Complete this question by entering your answers in the tabs below. Reg 1A Req 1B Reg 10 Compute the companywide break-even point in dollar sales. (Round "CM ratio" to 2 decimal places and final answer to the nearest whole dollar amount.) Break-even point in dollar sales Req 1A Req 1B > Complete this question by entering your answers in the tabs below. Req 1A Reg 1B Req 1C Compute the break-even point for the Chicago office and for the Minneapolis office. (Round "CM ratio" to 2 decimal places and final answers to the nearest whole dollar amount.) Break-Even Point Chicago office Minneapolis office 2. By how much would the company's net operating income increase if Minneapolis increased its sales by $105,000 per year? Assume no change in cost behavior patterns. Net operating income increase 3. Assume that sales in Chicago increase by $70,000 next year and that sales in Minneapolis remain unchanged. Assume no change in fixed costs. a. Prepare a new segmented income statement for the company. (Round your percentage answers to 1 decimal place (i.e. 0.1234 should be entered as 12.3).) Total Company Amount % Chicago Amount Segments Minneapolis Amount % % 0.0 0 0.0 0.0 0 0.0 $ 0 0.0 $ 0 0.0 $ 0 0.0