According to the circular flow model, the consumers buy finished products from firms in the product market.
Option D is the correct answer.
What is the circular flow model?
The flow of income through the economy of a country is described by an economic model called the circular flow model.
In the product market, the circular flow of funds is initiated from the household sector like consumers and ends in the business sector, that is, the firms, companies, or organizations. It simply means the flowing of money from consumers to firms when consumers purchase products from retailers.
Therefore, the purchase of products by consumers from firms in the product market under the circular flow model
Learn more about the circular flow model in the related link;
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