please answer # 2 & #3

Miler 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 10% ? 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 20%6? 3. What is the revised net operating income if the selting price increases by $130 per unit, fixed expenses increase by $5.000 and the number of units sold decreases by 3% ? 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 10%