please help!!!

Miller Company's contribution format income statement for the most recent month is shown below Sales (42,000 units) Variable expenses Contribution margin Fixed expenses Net operating income Total $ 252,020 126,000 126,00 41,000 5 85,00 Per Unit $ 6.00 3.00 $ 3.ee 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 25%? 3. What is the revised net operating income if the selling price increases by $110 per unit, fixed expenses increase by $9.000, and the number of units sold decreases by 4%? 4 What is the revised net operating income if the selling price per unit increases by 20%, Variable expenses increase by 30 cents per unit, and the number of units sold decreases by 1192 Data for Hermann Corporation are shown below Selling price Variable expenses Contribution margin Per Unit 5185 63 $ 42 Percent of Sales 10% 40% Fixed expenses are $81.000 per month and the company is selling 3,800 units per month Exercise 2-5 (Algo) Part 2 2-a. How much will net operating income increase (decrease) per month if the company uses higher-quality components that increase the variable expense by $4 per unit and increase unit sales by 20% 2- Should the higher-quality components be used