Exercise 6-13 Changes in Selling Price, Sales Volume, Variable Cost per Unit, and Total Fixed Costs [LO6-1, LO6-4] Miller Company's contribution format income statement for the most recent month is shown below: Sales 43,000 units) Variable expenses Contribution margin Fixed expenses Het operating income Total $ 387,000 258,000 129,000 50,000 $ 79,000 Per Unit $9.00 6.00 $3.00 es Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 148? 2. What is the revised net operating income If the selling price decreases by $1.30 per unit and the number of units sold increases by 3. What is the revised net operating Income If the selling price increases by $1.30 per unit, fixed expenses increase by $6,000, and the 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 14%? 24%? 1. Net operating income 2. Not operating income 3. Net operating income 4. Net operating income