Answer:
in selling, renting, and providing product and services to ultimate consumers.
Step-by-step explanation:
A retailer is involved in the provision distribution and transfer of products and services from manufacturer to ultimate consumer. Retailers act as an intermediary between the producer and consumer and keeps their margin.
Business personal could be anyone retailer, manufacturer, service provider etc.
Other intermediary might not involve in selling , renting, and providing product and services to ultimate consumers. They might work between the businesses.