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Miller Company's contribution format income statement for the most recent month is shown below: Sales (41,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 410,000 287,000 123,000 40.000 $ 83,000 Per Unit $10.00 7.00 $ 3.00 Required: (Consider each case independently 1. What is the revised net operating income if unit sales increase by 12%? 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 20%? 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 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 15%? 1. Net operating income 2 Not operating Income 3. Not operating income 4. Net operating income