Piedmont Company segments its business into two regions-North and South. The company prepared the contribution format segmented income statement as shown: Sales Variable expenses Contribution margin Traceable fixed expenses Segment margin Common fixed expenses Net operating income Total Company $ 900,000 630,000 270,000 132,000 138,000 57,000 $ 81,000 North $ 675,000 540,000 135,000 66,000 $ 69,000 South $ 225,000 90,000 135,000 66,000 $ 69,000 Required: 1. Compute the companywide break-even point in dollar sales. 2. Compute the break-even point in dollar sales for the North region. 3. Compute the break-even point in dollar sales for the South region