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 (37,000 units) Variable expenses Contribution margin i Fixed expenses Net operating income Per Unit $10.00 7.00 Total $370,000 259,000 111,000 $ 3.00 41,000 $ 70,000 Required; (Consider each case Independently): 1. What is the revised net operating income if unit sales increase by 11%? 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 21%7 3. What is the revised net operating income if the selling price increases by $1.40 per unit, fixed expenses increase by $8,000, 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 10 cents per unit, and the number of units sold decreases by 10%? 1. Net operating income $ 2. Net operating income 3. Net operating income 4. Net operating income 77,700