Miller Companys contribution format income statement for the most recent month is shown below: Total Per Unit Sales (39,000 units) $ 234,000 $ 6.00 Variable expenses 117,000 3.00 Contribution margin 117,000 $ 3.00 Fixed expenses 50,000 Net operating income $ 67,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 10%? 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 23%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $6,000, 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 11%?

1.	Net operating income
2.	Net operating income
3.	Net operating income
4.	Net operating income