Selling price Variable expenses Contribution margin Per Unit $ 65 39 $ 26 Percent of Sales 100x 60 ex Fixed expenses are $73,000 per month and the company is selling 4,300 units per month 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 $5 per unit and increase unit sales by 25% 2-b. Should the higher-quality components be used? Answer is not complete. Complete this question by entering your answers in the tabs below. Reg 2A Reg 2B 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 $5 per unit and increase unit sales by 25%. increases by 300 X Net operating income Req 28 ) CRA