Please help me understand what I did wrong here (the numbers in the answer box are incorrect), thank you

Miller Company's contribution format income statement for the most recent month is shown below: Sales (33,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $297,000 198,000 99,000 49,000 $ 50,000 Per Unit $9.00 6.00 $3.00 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 $1.30 per unit and the number of units sold increases by 22%? 3. What is the revised net operating income if the selling price increases by $1.30 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 6%? 4. What is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 20 cents per unit, and the number of units sold decreases by 6%? 1. Net operating income | $ 2. Net operating income $ 3. Net operating income | $ 4. Net operating income $ 94,550 63,002 65,506 81,416