Exercise 5-1 (Algo) The Effect of Changes in Sales Volume on Net Operating Income [LOS Whirly Corporation's contribution format income statement for the most recent month is shown below: Sales (8,600 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case independently): Total $ 301,000 163,400 137,600 55,300 Per Unit $ 35.00 19.00 $ 16.00 $ 82,300 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 7,600 units? 1. Revised net operating income 2. Revised net operating income 3. Revised net operating income