Requlred 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 $ 195 63 $ 42 Percent of Sales 188% 60 40% 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, the monthly sales volume Increases by 100 units, and the total monthly sales Increase by $10,500? 1-6. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Reg 1B How nuch will net operating income increase (decrease) per month if the monthly advertising budget increases by $8,500, the monthly sales volume increases by 100 units, and the total monthly sales increase by $10,500? (Do not round intermediate calculations.) Net operating income by S Regia Req 1B >