Miller Company's contribution format income statement for the most recent month is shown below: Per Unit Sales (44,000 units) $264,000 $6.00 Variable expenses 132,0003.89 Contribution margin132,000$3.00 Fixed expenses 42,000 Net operating income $ 90,000 Required Consider each case independently): what is the revised net operating income if unit sales increase by 20%? 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 16%? . What is the revised net operating income if the selling price increases by $1.40 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 20 cents per unit, and the number of units sold decreases by 9%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income