Ched Miller Company's contribution format income statement for the most recent month is shown below: Sales (32,000 unita) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 320,000 224,000 96,000 44.000 $ 52,000 Per Unit $10.00 7.00 5 3.00 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 10%? 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 15%? 3. What is the revised net operating Income If the selling price increases by $1.40 per unit, foed expenses increase by $5,000, and the number of units sold decreases by 6%? 4. What is the revised net operating Income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 7%? 1. Not operating income 2. Net operating income 3: Net operating income 4. Net operating income