Required information Exercise 5-5 (Algo) 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: Selling price Variable expenses Contribution margin Per Unit $ 75 51 $ 24 Percent of Sales 100% 68 32% Fixed expenses are $75,000 per month and the company is selling 4,000 units per month. Exercise 5-5 (Algo) 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 variable expense by $4 per unit and increase unit sales by 25%. 2-b. Should the higher-quality components be used? Complete this question by entering your answers in the tabs below. Req 2A1 Req:28 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 variable expense by $4 per unit and increase unit sales by 25%. Net operating income by New ZA Req28>