Miller Company's contribution format income statement for the most recent month is shown below. Sales (42,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 378,000 252,00 126,eee 43,000 $ 78,000 Per Unit $9.00 6.ee $ 3.ee 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 $120 per unit and the number of units sold increases by 24%? 3. What is the revised net operating income if the selling price increases by $120 per unit, fixed expenses increase by $9,000, 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 20%, 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