Miller Company's contribution format income statement for the most recent month is shown below: Total $315,000 210,000 105,000 42,000 $ 63,000 Per Unit $9.00 6.00 $ 3.00 Sales (35,000 units) Variable expenses Contribution margin Fixed expenses Net operating income 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 $1.50 per unit and the number of units sold increases by 3. What is the revised net operating income if the selling price increases by $1.50 per unit, fixed expenses increase by $10,000, and the number of units sold decreases by 7%? 4. What is the revised net operating income of the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 6%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income