Required information Exerclse 5-7 (Algo) Changes In Varlable Costs, Flxed Costs, Selling Prlce, and Unlt Sales [LO5.7] [The following information applies to the questions displayed below.] Data for Hermann Corporation are shown below: Fixed expenses are $79,000 per month and the company is selling 3,600 unlts per month. Exerclse 5.7 (Algo) Part 1 Required: 1-a. How much will net operating Income Increase (decrease) per month if the monthly advertising budget Increases by $8,400, the monthly sales volume increases by 100 units, and the total monthly sales increase by $9,500 ? 1-b. Should the advertlsing budget be Increased? Complete this question by entering your answers in the tabs below. Should the advertising budget be increased