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 (32,000 units) Variable expenses $ 224,000 128,000 Total Per Unit $7.00 Contribution margin 96,000 4.00 $ 3.00 Fixed expenses 47,000 Net operating income $ 49,000 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 20%? 2. What is the revised net operating income if the selling price decreases by $1.20 per unit and the number of units sold increases by 19%? 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 5%? 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 6%? Answer is complete but not entirely correct. Net operating 1. $ 68,200 income 2. Net operating $ 21,544 income Net operating 3. $ 74,680 income Net operating 4. $ 28,200 income