Miller Company's contribution format income statement for the most recent month is shown below: Sales (41,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 328,000 205,000 123,000 41,000 $ 82,000 Per Unit $8.00 5.00 $ 3.00 Required: (Consider each case independently 1. What is the revised net operating income if unit sales increase by 12%? 2. What is the revised net operating income if the selling price decreases by $130 per unit and the number of units sold increases by 23%? 3. What is the revised net operating income if the selling price increases by $130 per unit, fixed expenses increase by $7,000, 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 40 cents per unit and the number of units sold decreases by 12%? 1. Not operating income 2. Net operating income 3. Net operating income 4. Net operating income