Miller Company's contribution format income statement for the most recent month is shown below: Sales (45,000 units) Total $ 405,000 Per Unit $ 9.00 Variable expenses Contribution margin Fixed expenses Net operating income Required: 270,000 135,000 6.00 $ 3.00 43,000 $ 92,000 (Consider each case independently): 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 $1.20 per unit and the number of units sold increases by 22%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 5%? 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 8%? > Answer is complete but not entirely correct. 1. Net operating income $ 144,650 2. Net operating income $ 55,820 3. Net operating income $ 128,550 4. Net operating income $ 106,040