could you please help me with these accounting problems

Middleton Associates is a consulting rm that specializes in information systems for construction and landscaping companies. The firm has two ofcesone in Toronto and one in Vancouver. The rm classifies the direct costs of consultingjobs as variable costs. A segmented contribution format income statement for the company's most recent year is given below: office Total Company Toronto Vancouver Sales $800,000 100.0% $120,000 100% $680,000 100% Variable expenses 444,000 55.50 36,000 30 408,000 60 Contribution margin 356,000 44.50 84,000 70 272,000 40 Traceable fixed expenses 129,200 16.15 61,200 51 68,000 10 Office segment margin 226,800 28.35 $ 22,800 19% $204,000 30% Common fixed expenses not traceable to offices 102,000 12.75 Operating income $124,800 15.60% Required: 1. By how much would the company's operating income increase if Vancouver increased its sales by $77,000 per year? Assume no change in cost behaviour patterns. 2-a. Refer to the original data. Assume that sales in Toronto increase by $50,000 next year and that sales in Vancouver remain unchanged. Assume no change in fixed costs. Prepare a new segmented income statement for the company. (Round your percentage answers to 2 decimal places.)