Miller Company's contribution format income statement for the most recent month is shown below: Sales (37,000 units) Variable expenses 6.00 Total $333,000 Per Unit $9.00 222,000 Contribution margin 111,000 $ 3.00 Fixed expenses Net operating incone 45,000 $ 66,000 Required: (Consider each case Independently): 1. What is the revised net operating income if unit sales increase by 14% ? 2. What is the revised net operating income if the selling price decreases by $1.50 per unit and the number of units sold increases by 21%? 3. What is the revised net operating income if the selling price Increases by $1.50 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 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 10%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income