Costs [LO6-1, LO6-4) Miller Company's contribution format income statement for the most recent month is shown below. 231.000 $7.00 4.00 Sales 3.000 units) Variable expenses Contribution margin Fixed expenses met operating income 99,000 48.000 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 $140 per unit and the number of units sold Increases by 16%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $6,000, and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 11%? 1. Not operating income 2. Net operating income 3. Net operating income 4. Net operating income