Exercise 6-5 (Algo) Changes in Variable Costs, Fixed Costs, Selling Price, and Volume [L06-4] [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below Fixed expenses are $78,000 per month and the company is selling 3,500 units per month. xercise 6-5 (Algo) Part 2 R. 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 20% b. Should the higher-quality components be used