Required information [The following information applies to the questions displayed below.] Data for Hermann Corporation are shown below: Fixed expenses are $88,000 per month and the company is selling 3,000 units per month. ?equired: -a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,300, the nonthly sales volume increases by 100 units, and the total monthly sales increase by $14,000 ? b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Should the advertising budget be increased