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

Required

Consider each case independently. You need not prepare a new income statement. Instead, use the incremental approach where possible.
1. What would be the revised operating income per month if the sales volume increases by 100 units?
2. What would be the revised operating income per month if the sales volume decreases by 200 units?
3. What would be the revised operating income per month if the sales volume is 9,000 units?

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Sales (10,000 units).. Variable expenses. Contribution margin. Fixed expenses Operating income. .... Total $350,000 200,000 150,000 135,000 $15.000 Per Unit $35.00 20.00 $15.00