Required information [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Foxed expenses are $74,000 per month and the compony is selling 4,400 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 mponents that increase the variable expense by $4 per unit and increase unit sales by 25%. b. Should the higher-quality components be used