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 $ 405,000 270,000 135, eee 40,eee $ 95, eee Per Unit $ 9.00 6.ee $ 3.00 Required: (Consider each case independently): 1. 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 19%? 3. 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 7%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 15%? 1. Net operating income 2. Not operating income 3. Not operating income 4. Net operating income