Miller Company's contribution format income statement for the most recent month is shown below Sales (34,000 units) Variable expenses Contribution margin Pixed expenses Net operating income Total $ 306,000 204.000 102,000 45,000 $ 57,000 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 13%? 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 21%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 7%? 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 12%? $ 69,280 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income