Whirly Corporations contribution format income statement for the most recent month is shown below:

	Total			Per Unit
Sales (7,600 units)	$	250,800		$	33.00
Variable expenses		152,000			20.00
Contribution margin		98,800		$	13.00
Fixed expenses		54,300
Net operating income	$	44,500

Required:

(Consider each case independently):

1. What would be the revised net operating income per month if the sales volume increases by 50 units?

2. What would be the revised net operating income per month if the sales volume decreases by 50 units?

3. What would be the revised net operating income per month if the sales volume is 6,600 units?