Miller Company's contribution format income statement for the most recent month is shown below Sales (43,000 units) Variable expenses Total $258,000 129,000 129,000 49,000 Contribution margin Fixed expenses Net operating income $ 80,000 Required: Per Unit $ 6.00 3.00 $ 3.00 (Consider each case independently) 1. What is the revised net operating income if unit sales increase by 10% ? 2. What is the revised net operating income if the selling price decreases by $1.30 per unit and the number of units sold increases by 25%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 3% ? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 11%? 1. Net operating income 2. Net operating income 3. Net operating income 4 Net operating income