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Required informotion Exercise 5-7 (Algo) Changes in Variable Costs, Fixed Costs, Selling Price, and Unit Sales [LO5-7] [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Fixed expenses are $73,000 per month and the company is selling 4,300 units per month Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,700, the monthly sales volume increases by 100 units, and the total monthly sales increase by $6,500 ? 1.b. Should the advertising budget be increased? How much will net operating income increase (decrease) per month if the monthly advertising budget increases by 59,700 , the monthly sales volume increases by 100 units, and the total monthly sales increase by $6,500 ? Note: Do not round intermediate calculations Complete this question by entering your answers in the tabs below. Should the advertising budget be increased