Miller Company's contribution format income statement for the most recent month is shown below: Total $ 180,000 72,000 Sales (36,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Per Unit $5.00 2.00 $3.00 108,000 43,000 $ 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 $1.50 per unit and the number of units sold increases by 22%? 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 6%? 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 14%? 1. Net operating income 2. Net operating income 3. Net operating 4. Net operating income