Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit Sales (38,000 units) $ 228,000 $ 6.00 Variable expenses 114,000 3.00 Contribution margin 114,000 $ 3.00 Fixed expenses 50,000 Net operating incomo $ 60,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 16%? 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 18%? 3. What is the revised net operating income of the selling price increases by $1.50 per unit, fixed expenses increase by $9,000, and the number of units sold decreases by 4%? 4. What is the revised net operating income of the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 11%? $ 32,240 1. Net operating income 2. Net operating income 3. Net operating income