Miller Company's contribution format income statement for the most recent month is shown below. Total $308,000 176,000 Per Unit $ 7.00 4.00 Sales (44,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case independently): 132,000 43,000 $ 89,000 $ 3.00 1. What is the revised net operating income if unit sales increase by 13% ? 2. What is the revised net operating income if the selling price decreases by $1.30 per unit and the number of units sold increases by 21%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $6,000, 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 40 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.