Miller Company's contribution format income statement for the most recent month is shown below: Total $ 312,000 195,000 117,000 48,000 $ 69,000 Per Unit $ 8.00 5.00 $ 3.00 Sales (39,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case independently): 1. What is the revised net operating income if unt sales increase by 15%? 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 18%? 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $6,000, and the number of units sold decreases by 4%? 4. What is the revised net operating Income if the selling price per unit increases by 20%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 5%? 1. Net operating income 2 Net operating income 3. Not operating income 4 Net operating income