Miller Company's contribution format income statement for the most recent month is shown below: Soles (41,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 287,000 164,000 123,000 50,000 $ 73,000 Per Unit $7.00 4.00 $3.00 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 17%? 3. What is the revised net operating income if the selling price increases by $1.50 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 7%? 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 9%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Not operating income