Exercise 5-1 (Algo) The Effect of Changes in Sales Volume on Net Opere Whirly Corporation's contribution format income statement for the most recent month is show Sales (7,800 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case independently): Total $ 257,400 Per Unit $ 33.00 19.00 148,200 109,200 $ 14.00 55,900 $ 53,300 1. What would be the revised net operating income per month if the sales volume increases by 2. What would be the revised net operating income per month if the sales volume decreases by 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