Miller Company's contribution format Income statement for the most recent month is shown below Total Per Unit Sales (33,800 units) $ 297,000 $9.00 Variable expenses 198,000 6.00 Contribution margin 99,000 $ 3.00 Fixed expenses 45.000 Net operating income $ 53,000 Required: (Consider each case independently): 1. What is the revised net operating Income If unit sales increase by 1197 2. What is the revised net operating income if the selling price decreases by $120 per unit and the number of units sold increases by 24%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $10,000, and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 13%? 1. Net operating income 2. Net operating income 3. Not operating income 4. Net operating income