An industry can be defined as:

Question $1$Answer

a$.$

A grouping that describes an area of the economy in which businesses share the same or a related product or service

b$.$

A grouping that describes firms that are related based on their "primary" business activity

c$.$

A grouping that describes prospective buyers with common needs and demands, who respond similarly to a marketing action.

d$.$

A grouping that describes the share of the market revenue controlled by an organisation.