In order to achieve equilibrium on this graph, you must include: B. supply curve.
<h3>The types of schedule.</h3>
In Economics, there are two main types of chart that can be used to illustrate the relationship between the total quantity of goods or services that are demanded by consumers and the total quantity of goods or services that were supplied by a manufacturer (producer) and these include the following:
<h3>What is a supply curve?</h3>
A supply curve can be defined as a type of chart that is used to graphically represent the total quantity of goods or services that are supplied to consumers at a given price.
In order to achieve equilibrium on this graph, you must include a supply curve because an equilibrium is the point on a supply and demand chart where the demand curve and the supply curve intersect.
Read more on equilibrium here: brainly.com/question/2000166
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