Miller Company's contribution format income statement for the most recent month is shown below. Check my work Sales (30,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 180,000 90,000 90,000 43,000 $ 47,000 Per Unit $ 6.00 3.00 $ 3.00 Required: (Consider each case independently) -S 1. What is the revised net operating income if unit sales increase by 13%? 2. What is the revised net operating income if the selling price decreases by $1.40 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 $1.40 per unit, fixed expenses increase by $5,000, 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 10 cents per unit, and the number of units sold decreases by 13%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income