Miller Company's contribution format income statement for the most recent month is shown below: Sales (45,000 units) Variable expenses Contribution margin Fixed expenses Net operating Income Total $ 270,000 135,000 135,000 48.000 $ 87,000 Per Unit $ 6.00 3.00 $ 3.00 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 $120 per unit and the number of units sold increases by 229.2 3. What is the revised net operating income of the selling price increases by S1 20 per unit fixed expenses increase by $10,000, and the number of units sold decreases by 7%? 4. What is the revised net operating income if the selling price per unit increases by 20%, vanable expenses increase by 20 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