Supply and demand for all goods and services is constant and does not change.
true or false

The statement above is FALSE. Supply and demand for all goods and services is not constant and does change every time when there is a change in market. There are many factors affecting the change of supply and demand, it depends on the availability of both also with regards to the production if the materials needed for the supply is available.

Basically create a schedule on what you need to study and stick with it