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 $369,000 Per Unit $9.00 246,000 123,000 $ 3.00 44,000 $ 79,000 6.00 Required: (Consider each case Independently): 1. What is the revised net operating income if unit sales increase by 16%? 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 17%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 4%? 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 12%? 1. Net operating income 2. Net operating income 3. Not operating income 4. Net operating income