Miller Company's contribution format income statement for the most recent month is shown below. Total Per Unit Sales (41,680 units) $ 410,000 $ 10.00 Variable expenses 287,000 7.00 Contribution margin 123,000 $ 3.00 Fixed expenses 47,000 Net operating income $ 76,000 Required: (Consider each case independently: 1. What is the revised net operating income if unit sales increase by 11%? 2. What is the revised net operating income if the selling price decreases by $1.40 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 $1.40 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 20%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 7%? $ 89,530 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income