Miller Company's contribution format income statement for the most recent month is shown below. Sales (41,000 units) Variable expenses Per Unit $7.00 Total $287,000 164,000 123,000 4.00 $ 3.00 Contribution margin Fixed expenses Net operating income Required: 44,000 $ 79,000 (Consider each case independently) 1. What is the revised net operating income if unit sales increase by 18% ? 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 25%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $10,000, 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 30 cents per unit, and the number of units sold decreases by 6% ?