Sales (33,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $ 231,000 132,000 99,000 43,000 $ 56,000 $7.00 4.00 $3.00 Required: (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 $1.10 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 $1.10 per unit, fixed expenses increase by $5,000, 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 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 14%? Answer is complete but not entirely correct. Net operating income Net operating income Net operating income Net operating I income $ $ $ $ 70,850 30,359 83,241 47,816