The correct answer is B. Selling.
Selling is the process of persuading a customer to purchase a product or service. It is a profession that involves developing relationships with customers, understanding their needs, and providing solutions that meet those needs. Selling can be done in person, over the phone, or online.
Marketing is the process of creating a demand for a product or service. It involves identifying the target market, developing a marketing mix (product, price, place, and promotion), and executing the marketing plan. Marketing can be done through a variety of channels, including advertising, public relations, social media, and direct marketing.
Advertising is a form of marketing that involves paid communication to a target audience. It is used to create awareness of a product or service, generate interest, and persuade consumers to purchase. Advertising can be done through a variety of channels, including television, radio, print, online, and out-of-home.
Promotion is a form of marketing that involves non-paid communication to a target audience. It is used to create awareness of a product or service, generate interest, and persuade consumers to purchase. Promotion can be done through a variety of channels, including public relations, social media, and word-of-mouth.
In conclusion, selling is the profession that involves persuading a customer to purchase a product or service. Marketing is the process of creating a demand for a product or service. Advertising is a form of marketing that involves paid communication to a target audience. Promotion is a form of marketing that involves non-paid communication to a target audience.