Exercise 2-1 (Algo) The Effect of Changes in Activity on Net Operating Income (L02-1) Whirly Corporation's contribution format income statement for the most recent month is shown below. Total Sales (8,400 $277,200 units) Variable expenses 159,600 Contribution 112.600 margin Fixed expenses _55,500 Net operating $ 62,100 income Per Unit $33.00 19.00 $14.00 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 7400 units? Revised net operating income Revised not operating income 3 Revised net operating income