Whirly Corporations most recent income statement is shown below: Total Per Unit Sales (7,500 units) $ 232,500 $ 31.00 Variable expenses 150,000 20.00 Contribution margin 82,500 $ 11.00 Fixed expenses 55,500 Net operating income $ 27,000 Required: Prepare a new contribution format income statement under each of the following conditions (consider each case independently): 1. The sales volume increases by 30 units. 2. The sales volume decreases by 30 units. 3. The sales volume is 6,500 units.