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 $ 70 49 $ 21 Percent of Sales 100% 70 30% Fixed expenses are $74,000 per month and the company is selling 4,400 units per month. Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,800 and monthly sales increase by $12,600? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Reg 1B How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,800 and monthly sales increase by $12,600? (Round any unit calculations up to the nearest whole unit.) Net operating income decreases by 2-a. Re e original data. How much will net operating income increase (decrease) per month if the company uses higher- Req 2A quality components that increase the variable expense by $4 per unit and increase unit sales by 25%. 2-b. Should the higher-quality components be used? X Answer is not complete. Complete this question by entering your answers in the tabs below. Req 2A Req 2B Refer to the original data. 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 25%. Net operating income by