Newlin Company's contribution format income statement for the recent month is shown below: Sales (7,300 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 240,900 146,000 94,900 54,400 $ 40,500 Per Unit $ 33.00 20.00 $ 13.00 Required: (Consider each case independently): 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 if the sales volume decreases by 70 units? 3. What would be the revised net operating income per month if the sales volume is 6,300 units