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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: Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 13% ? 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 22%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, freed expenses increase by $10,000, and the number of units sold decreases by 7\%? 4. What is the revised net operating income if the seling price per unit increases by 208 , variable expenses increase by 30 cents per unit, and the number of units sold decreases by 6%5