Exercise 6-13 (Algo) 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 (36,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 280,000 180,000 108,000 46.000 $ 62,000 Per Unit $ 8.00 5.00 $ 3.00 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 12%? 2. What is the revised net operating income if the selling price decreases by $120 per unit and the number of units sold increases by 21%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses Increase by $6,000, and the number of units sold decreases by 8%? 4. What is the revised net operating income if the selling price per unit increases by 10%, Variable expenses increase by 30 cents per unit, and the number of units sold decreases by 7%? 1. Not operating income 2. Not operating incomo 3. Net operating income 4. Not operating income