Newlin Company's contribution format income statement for the recent month is shown below: Sales (7,800 units) Total $257,400 Variable expenses 148,200 Contribution margin 109,200 Fixed expenses 55,700 Net operating income $ 53,500 Per Unit $ 33.00 19.00 $ 14.00 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 6,800 units? 1. Revised net operating income 2. Revised net operating income 3. Revised net operating income