es Miller Company's contribution format income statement for the most recent month is shown below: Total Sales (34,000 units) Variable expenses $ 272,000 170,000 Per Unit $ 8.00 5.00 Contribution margin Fixed expenses 102,000 44,000 $ 3.00 Net operating income $ 58,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 20%? 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 19%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 6%? 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 11%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income