Sales (42,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case independently): Total $420,000 Per Unit $10.00 7.00 294,000 126,000 $ 3.00 47,000 $ 79,000 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 $1.20 per unit and the number of units sold increases by 20%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $6,000, and the number of units sold decreases by 3% ? 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 I