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 $105 63 $ 42 Percent of Sales 1000 60 400 2:16 Fixed expenses are $81,000 per month and the company is selling 3,800 units per month Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $8,600 and monthly sales increase by $18,000? 1-6. Should the advertising budget be increased? A Complete this question by entering your answers in the tabs below. Reg 1 Reg 10 References How much will net operating income increase (decrease) per month in the monthly advertising budget increases by $8,600 and monthly sales increase by $18,000? (Do not round intermediate calculations.) Not operating income decreases Next >