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 $ 130 78 $ 52 Percent of Sales 1000 60 404 Fixed expenses are $86,000 per month and the company is selling 2,800 units per month Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,100, the monthly sales volume increases by 100 units, and the total monthly sales increase by $13,000? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Reg 1B How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,100, the monthly sales volume increases by 100 units, and the total monthly sales increase by $13,000? (Do not round intermediate calculations.) Net operating income by Reg 1B> 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 $ 130 78 $ 52 Percent of Sales 1001 60 400 Fixed expenses are $86,000 per month and the company is selling 2,800 units per month Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,100,1 monthly sales volume increases by 100 units, and the total monthly sales increase by $13,000? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Reg 1B Should the advertising budget be increased? Yes No