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 52 $ 28 Percent of Sales 1008 65 350 Fixed expenses are $76,000 per month and the company is selling 4,600 units per month Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $10,000 an monthly sales increase by $14,400? 1-b. Should the advertising budget be increased? ces Complete this question by entering your answers in the tabs below. Reg 1A Reg 1B How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $10,000 and monthly sales increase by $14,400? (Round any unit calculations up to the nearest whole unit.) Not operating income decreases by $ 4.960