Includes sales presentations, trade shows, and incentive programs.
a) direct and digital marketing
b) sales promotion
c) personal selling
d) public relations
e) advertising

C) Personal selling

Explanation:

•Personal selling is a promotional selling method in which the salesman convince a potential buyer or customer to understand the merits of buying and using a product. It is a one-on-one selling strategy in which sales personnel must have good communication and interpersonal skills in other to win a buyer.

This system is adopted to develop good customer relationship.

•Public relations: Is a system put in place to manage information in an organization which could be government or private owned establishments or businesses.

•Sales Promotion: Are incentives directed at customers to encourage and motivated them buy a product or retain old customers. It is a tactic used to boost sales, tools employed includes coupons, contests, price slash offers, customer shows, etc.

•Direct and digital marketing: It is a form of marketing done digitally, it is done to support physical marketing, but it is fast gaining grounds in this dispensation due to the fast growing rate in the use of internet and social media. It involves the use of email, social media, blogs and websites etc.