Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit Sales (43,000 units) $430,000 $10.00 Variable expenses 301,200 7.00 Contribution margin 129,000 $ 3.00 Fixed expenses 47,000 Net operating income $ 82,000 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 $1.20 per unit and the number of units sold increases by 16%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $6.000, 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 10 cents per unit, and the number of units sold decreases by 12%? 1. Net operating income