Exercise 5-1 Preparing a Contribution Format Income Statement [LO5-1] Whirly Corporation's most recent income statement is shown below: Sales (7,900 units) Variable expenses Total $ 260,700 150,100 Per Unit $33.00 19.00 $ 14.00 Contribution margin Fixed expenses 110,600 54,700 Net operating income $ 55,900 Required: Prepare a new contribution format income statement under each of the following conditions (consider each case independently): 1. The sales volume increases by 60 units. Whirly Corporation Contribution Income Statement Total Per Unit 0 $ 0 | $ 0 2. The sales volume decreases by 60 units. Whirly Corporation Contribution Income Statement Total Per Unit 0 $ 0 3. The sales volume is 6,900 units. Whirly Corporation Contribution Income Statement Total Per Unit 0 $ 0 | $ 0