Miller Company's contribution format income statement for the most recent month is shown below: Sales (34,000 units) Variable expenses Total Per Unit $272,000 170,000 Contribution margin 102,000 $ 8.00 5.00 $ 3.00 Fixed expenses 43,000 Net operating income $ 59,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 19% ? 2. What is the revised net operating income if the selling price decreases by $1.50 per unit and the number of units sold increases by 23%? 3. What is the revised net operating income if the selling price increases by $1.50 per unit, fixed expenses increase by $6,000, 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 20%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 7% ? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income