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Miller Company's contribution format income statement for the most recent month is shown below: Sales (33,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 264,000 165,000 99,000 44,000 $ 55,000 Per Unit $ 8.00 5.00 $ 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 $1.30 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 $1.30 per unit, fixed expenses increase by $7,000, 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 10%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 10%? $ 61,600 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income