Miller Company's contribution format income statement for the most recent month is shown below: Sales (44,000 units) Variable expenses Per Unit Total $220,000 88,000 Contribution margin 132,000 $ 5.00 2.00 $ 3.00 Fixed expenses 45,000 Net operating income. $ 87,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 15% ? 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%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 6%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 7% ? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income