Answer:
The correct options are;
Marketing research firm
Advertising agency
Explanation:
Marketing research firms are firms that undertake field data sourcing and assessment with regards to goods and services consumers, local and international competitors, market distribution networks as forces and participants as well as other factors that determine a market place. Market research firms usually work in behalf of other organisations
An advertising, creative, or ad agency are establishment that plan, handle and develop advertising, sales promotions and marketing campaign for their business customers.
