7. in a free market economy, prices are primarily determined by: international organizations supply and…

Brief Explanations:

In a free - market economy, the forces of supply (quantity of a good or service available) and demand (desire and ability of consumers to purchase) interact to set prices. International organizations, labor unions, and the federal government have less direct influence on price - setting compared to supply and demand in a free - market context.

Answer:

B. Supply and demand