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Required information The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Fixed expenses are $84,000 per month and the company is selling 2,600 units per month. -a. Refer to the original data. How much will net operating income increase (decrease) per month if the company uses higher-quality omponents that increase the variable expense by \$5 per unit and increase unit sales by 20%. b. Should the higher-quality components be used