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 12% ? 2. What is the revised net operating income if the selling pice decreases by $1.50 per unit and the number of units rodd inceases by 16% ? 3. What is the revised net operating Income if the seling price increases by $1.50 per unit, foxed expenses increase by $9.000, and the number of units sold decreases by 6% ? 4. What is the revised net operating income if the selling price per unit incieases by 10%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 14%