‘Rohit’ after doing his graduation has decided to run a retail shop as a source of livelihood. He procures the goods from the wholesaler according to the consumer demand &maintain regular supply of goods to his customers .Customers are well satisfied with his service due to which his sales turnover is very high and he is earning a good return on his capital employed. Seeing his successful business, two other relatives have opened their shops in the same area giving him tough competition reducing his market share &margin of profits .But Rohit knows in spite of his best efforts put into the business, there is always possibility of inadequate profit or losses.
Identify the economic activity Rohit is engaged in & enlist any feature of identified economic activity with reference to the above stated paragraph.