Answer:
The correct answer is : economics.
Step-by-step explanation:
People makes various choices in order to satisfy their needs and what they want such as buying services and goods to consume them. The study of choices people make to satisfy and fulfill their unlimited needs and wants is termed as Economics.
It is required to make choices as their is scarcity and limited amount of resources to satisfy everyone's need and wants thus, people need to make choices.
Thus, the correct answer is : economics.