Even though personal selling is the most expensive method of communication on a per-person-reached basis, businesses continue to use personal selling because of advantages in: A. flexibility. B. the number of people reached. C. credibility. D. efficiency. E. control over the content of publicity.

Even though personal selling is the most expensive method of communication on a per-person-reached basis, businesses continue to use personal selling because of advantage of Flexibility

Explanation:

Personal Selling refers to a selling  strategy in which a  salesperson is  used to convince customers to purchase a product. The salesperson uses a personalized ,customized approach  to meet the individual needs of the customer, to shows various ways in which the product will benefit them

Personal selling is said to be an   expensive process as it consist of the  salesperson's salary, commission, bonus and travel time. These costs are incurred regardless of whether the sales person makes the sale or not

The biggest advantage of personal selling is the flexibility it provides to the sales person to customize  the sales talks and presentation  according to situation ,preference of the customers

answercountries with higher real income per capita tend to have higher levels of this index.