Miller Company's contribution format income statement for the most recent month is shown below: Per Unit $10.00 7.00 Sales (38,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 380,000 266,000 114,000 43,000 $ 71,000 $ 3.00 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 $1.20 per unit and the number of units sold increases by 23%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $6,000, and the number of units sold decreases by 4%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 8%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income