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

	Total	Per Unit
Sales (32,000 units)	$320,000	$10.00
Variable expenses	224,000	7.00
Contribution margin	96,000	$3.00
Fixed expenses	43,000
Net operating income	$ 53,000

1. The number of units sold increases by 19%.

2. The selling price decreases by $1.20 per unit, and the number of units sold increases by 21%.

3. The selling price increases by $1.20 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by 2%.

4. The selling price increases by 10%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 6%.