Exercise 5-13 (Algo) Changes in Selling Price, Sales Volume, Variable Cost per Unit, and Total Fixed Costs [LO5-1, LO5-4] Miller Company's contribution format income statement for the most recent month is shown below: Total Sales (39,000 units) Variable expenses Contribution margin $ 273,000 156,000 117,000 Per Unit $ 7.00 4.00 $ 3.00 Fixed expenses 40,000 Net operating income $ 77,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 17%? 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 17%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $9,000, and the number of units sold decreases by 2%? 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 9%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income