Miller Company's contribution format income statement for the most recent month is shown below: Sales (30,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 270,000 180,000 90,000 43.000 $ 47,000 Per Unit $9.00 6.00 $ 3.00 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 $1.20 per unit and the number of units sold increases by 2497 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $5,000, and the number of units sold decreases by 4%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 13%? Print erences 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income