Please show all work and explain

1-what is revised net operating income if sells unit increased by 15%

2-what is revised net operating income of selling price decrease by $1.10 per unit and the number of units sold increased by 21%

3-what is the revised net operating income if the selling price increase by $1.10 per unit fix expense increase by $7000 and the number of units sold decreased by 2%

4-what is the revised net operating income if the selling price per unit is increased by 10% variable expense increase by $.40 per unit and the number of units sold decreased by 6%

Required: (Consider each case independently): 1. What is the revised net operating income if unit sales increase by 15% ? 2. What is the revised net operating income if the selling price decreases by $110 per unit and the number of units sold increases by 219 ? 3. What is the revised net operating income if the selling price increases by $1,10 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 2% ? 4. What is the revised net operating income if the selling price per unit increases by 10%, variable expenses increase by 40 cents per unit, and the number of units sold decreases by 6%