please help with this!

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 12% ? 2 What is the revised net operating income if the selling price decreases by $1.10 per unit and the number of units sold increases by 1698 ? 3. What is the revised net operating income if the selling price increases by $110 per unit, foxed expenses increase by $8, 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 to\%, variable expenses increase by 30 cents per unin, and the number of units sold decreases by 12%