ASAP!! I need help with 3 & 4 please.

Required: Consider each case independentlyk 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 $1.20 per unit and the number of units sold increases by 6%? What is the revised net operating income if the selling price increases by $1.20 per unit, foced expenses increase by $6,000, and the umber of units sold decreases by 3% ? What is the rovised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per init, and the number of units sold decreases by 6%