Sales (42,eee units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 336, eee 210, eee 126,000 48,eee $ 78, eee Per Unit $ 8.ee 5.08 $ 3.ee Required: (Consider each case independently): 1. What is the revised net operating income If unit sales increase by 16%? 2. What is the revised net operating income if the selling price decreases by $1.40 per unit and the number of units sold increases by 20%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $9,000. and the number of units sold decreases by 5%? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 10 cents per unit, and the number of units sold decreases by 11%? 1. Net operating income 2. Not operating income 3. Net operating income 4. Net operating income