Describes how consumers purchase decisions and how they and of the purchased goods and services. It includes factors that influence purchase decisions.

Make - Use - Dispose

Explanation:

Consumer Behavior describes how consumers make purchase decisions and how they use and dispose of the purchased goods and services. It includes factors that influence purchase decisions. In order to make and build successful brands, knowing consumer behavior is very important. Large organisations and brands are always in search of exploring and knowing what consumers are purchasing, how they are purchasing, when they are purchasing and how much they are purchasing. They are also in search of who actually make the buying decision, how he or she makes that decision, how many people are involved in buying decision and how they use their products etc.

definitely a

d. all of the above are true.