Answer: Option E
Explanation: In simple words, personal selling refers to the traditional method of selling under which an organisation hires some personnel to directly interact with their customer. These personnel tries to persuade the customers to buy the product by using their personality and skills.
These sales people are experts of that product and use their expertise to inform the customers about the uses of the product and how can it will be helpful in their life.
In such a structure, the sales person works as the face of the organisation selling the product, thus, it is possible that every customer have different perception regarding the service and experience they had with the firm.