Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit Sales (36,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $288,000 $8.00 5.00 180,000 108,000 $%3.00 41,eee 67,ee0 Required (Consider each case independently) 1, what is the revised net operating income if unit sales increase by 12%? 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 2%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 10 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