Ajay was engaged in an economic activity which dealt with purchase and sale of

goods and services with the motive of earning profits in the long run. His friend,

Rani was engaged in an economic activity which required special skills and dealt

with applying those expert skills onto different individuals. Another friend of

theirs, Sanjay was engaged in an activity wherein he was working for others and

getting a fixed salary in return.

a. Identify the activities in which Ajay, Rani and Sanjay are engaged in.

b. State any three differences among the identified activities.​