Please show computations for all questions.

Question 4: Piedmont Company segments its business into two regions North and South. The company prepared the contribution format segmented income statement as shown below Sales Variable expenses Contribution margin Traceable fixed expenses Segment margin Common fixed expenses Net operating income Total Company 600,000 5360,000 40,000 $120,000 S120,000 $50,000 $70,000 North South 400,000 $200,000 280,000$80,000 120,000 $120,000 60,000 $60,000 $60,000 $60,000 Required 1. Compute the companywide break-even point in dollar sales 2. Compute the break-even point in dollar sales for the North region. 4. Compute the sale for each region for the company to break-even