Whirly Corporation's most recent income statement is shown below: Sales (8,500 units) Variable expenses Total $ 297,500 153,000 Per Unit $35.00 18.00 Contribution margin Fixed expenses 144,500 55.400 $17.00 Net operating income $ 89,100 Required: Prepare a new contribution format income statement under each of the following conditions (consider each case independently): 1. The sales volume increases by 50 units Whirly Corporation Contribution Income Statement Total Per Unit 2. The sales volume decreases by 50 units Whirly Corporation Contribution Income Statement Total Per Unit 2. The sales volume decreases by 50 units. Whirly Corporation Contribution Income Statement Total Per Unit 3. The sales volume is 7.500 units. Whirly Corporation Contribution Income Statement Total Per Unit