Miller Company's contribution format income statement for the most recent month is shown below. Sales (42,000 units) Variable expenses Total $210,000 84,000 Per Unit $5.00 2.00 Contribution margin 126,000 $ 3.00 Fixed expenses 41,000 Net operating income $ 85,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 17% ? 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 3% ? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 40 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