Miller Company's contribution format income statement for the most recent month is shown below: Sales (43,000 units) Variable expenses Contribution margin. Fixed expenses Net operating income Total $ 344,000 Per Unit $ 8.00 215,000 5.00 129,000 $ 3.00 43,000 $ 86,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 16% ? 2. What is the revised net operating income if the selling price decreases by $1.20 per unit and the number of units sold increases by 20%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $9,000, and the number of units sold decreases by 4%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 12% ? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income