Miller Company's contribution format income statement for the most recent month is shown below: Per Unit $9.00 Sales (44,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $396,000 264,000 132,000 40,000 $ 92,000 6.00 $3.00 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 10%? 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 if the selling price increases by $1.50 per unit, fixed expenses increase by $10,000, and the number of units sold decreases by 3%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 9%? Net operating income Net operating income 2 Net operating income Net operating income