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 (45,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 315,000 180,000 135,000 42,000 $ 93,000 Per Unit $ 7.00 4.00 $3.00 Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 14%? 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 18%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $5,000, and the number of units sold decreases by 7%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 12%? Answer is complete but not entirely correct. 1. $ 191,550 2. $ 48,270 Net operating income Net operating income Net operating income Net operating income 3. IS 132,955 4. IS 68,880