$2-$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.

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 $25\%.$