Answer:
Demographic factor is the correct option.
Step-by-step explanation:
The demographic variables can affect our business. Demography can be used to know the product's performance and the buying behavior of consumers. It helps companies to identify the key customers. After the identification, they can target these customers with customized advertisements and promotions. It helps the company to maximize its sales.
Income is one demographic variable. A person's income decides his buying habits. People having towards the low end of the salary band tend to buy less expensive products. While those with high salaries tend to buy expensive products. It is an example of a demographic factor.