Required information Exercise 5-5 Changes in Variable Costs, Fixed Costs, Selling Price, and Volume [LO5-4] [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below: Fixed expenses ore $83,000 per month and the company is selling 2,500 units per month. Exercise 5-5 Part 2 2-a. Refer to the original data. How much will net operating income increase (decrease) per month if the company uses higher-quality components that increase the voriable expense by $5 per unit and increase unit sales by 15%. 2 b. Should the higher-quality components be used