these are 2 DIFFERENT questions. the first one can someone please tell me what I'm doing wrong for the net operating income please

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for the second image/question. please tell help me with my mistake. I keep getting the number it's decreasing by wrong.

thank you !!

Miller Company's contribution format Income statement for the most recent month is shown below: Sales (38,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Required: (Consider each case Independently): Total $ 266,000 152,000 114,000 40,000 $ 74,000 Answer is complete but not entirely correct. 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income S 85.400 S 34.176 108.168 $ S 79.016 Per Unit 1. What is the revised net operating income if unit sales increase by 10%? What is the revised net operating Income if the selling price decreases by $1.40 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 $1.40 per unit, fixed expenses increase by $9,000, 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 13%? $ 7.00 4.00 $ 3.00 or Incorrec Required Information [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Selling price Variable expenses Contribution margin Per Unit $ 80 Req 1A $ 36 Fixed expenses are $76,000 per month and the company is selling 2,500 units per month. Req 18 Required: 1-8. How much will net operating Income increase (decrease) per month if the monthly advertising budget Increases by $8,100, the monthly sales volume increases by 100 units, and the total monthly sales increase by $8,000? 1-b. Should the advertising budget be increased? Percent of Sales 100% 55 45% Complete this question by entering your answers in the tabs below. decreases Answer is complete but not entirely correct. 1 How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $8,100, the monthly sales volume increases by 100 units, and the total monthly sales increase by $8,000? (Do not round intermediate calculations.) Net operating income by (1.125) X Req 1B >