Miller Company's contribution format income statement for the most recent month is shown below Sales (31,000 units) Total $217,000 124,000 Per Unit $7.00 Variable expenses Contribution margin Fixed expenses Net operating income Required: 93,000 4.00 $3.00 41,000 $ 52,000 (Consider each case independently) 1. What is the revised net operating income if unit sales increase by 15%? 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 19%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $9,000, 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 8% 1 Net operating income 2 Net operating income 3 Net operating income 4. Net operating income