Miller Company's contribution format income statement for the most recent month is shown below Sales (37,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 222,000 111.000 111.000 42.000 $ 69,000 Per Unit $ 6.00 3.00 $3.00 Required: (Consider each case Independently 1. What is the revised net operating income If unit sales increase by 16%? 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 15%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 8%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 11%? 1. Net operating income 2. Net operating income 3. Not operating income 4. Net operating income