Miller Company's contribution format income statement for the most recent month is shown below: Total Sales (35,000 units) Variable expenses $ 245,000 140,000 Contribution margin 105,000 Per Unit $ 7.00 4.00 $ 3.00 Fixed expenses 40,000 Net operating income $ 65,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 18%? 2. What is the revised net operating income if the selling price decreases by $1.30 per unit and the number of units sold increases by 20%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $9,000, and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 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