1 Exercise 6-1 The Effect of Changes in Activity on Net Operating Income (L06-1) 1 Whirly Corporation's contribution format Income statement for the most recent month is shown below: points Sales (8,708 units) Total $ 295,800 165,300 130,500 55,400 5 75, 100 Per Unit $34.00 19.00 $ 15.00 BO Variable expenses Contribution margin Fixed expenses Net operating income Required: Consider each case Independently Print 1. What would be the revised net operating income per month if the sales volume increases by 70 units? 2. What would be the revised net operating income per month of the sales volume decreases by 70 units? 3. What would be the revised net operating income per month of the sales volume is 7700 units? References t. Revised not operating income 2. Revised not operating income 3. Bevised not operating income