Miller Company's contribution format income statement for the most recent month is shown below. Sales (32,889 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 258, 192,000 96,000 41,000 $ 55.000 Per Unit 59.89 6. $ 3.89 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 19%? 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 19%? 3. What is the revised net operating income if the selling price increases by $1.50 per unit, fixed expenses increase by $7,000, 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 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