Miller Companys contribution format income statement for the most recent month is shown below:

	Total	Per Unit
Sales (30,000 units)	$ 270,000	$ 9.00
Variable expenses	180,000	6.00
Contribution margin	90,000	$ 3.00
Fixed expenses	45,000
Net operating income	$ 45,000

What is the revised net operating income if unit sales increase by 19%?

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 17%?

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 6%?

4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 8%?