Correct Option: A. it can provide instant feedback Detailed Explanation: 1. Understanding Personal Selling: Personal selling is a direct form of communication between a salesperson and a potential customer. It involves face-to-face interaction, phone calls, or video conferencing, where the salesperson can engage with the customer, understand their needs, and provide tailored solutions. 2. Instant Feedback: One of the most significant advantages of personal selling is the ability to receive instant feedback. When a salesperson interacts with a customer, they can immediately gauge the customer's reactions, questions, and concerns. This real-time feedback allows the salesperson to adjust their approach, clarify misunderstandings, and address objections on the spot. For example, if a customer seems hesitant about a product, the salesperson can ask probing questions to understand the hesitation and provide additional information or reassurance. 3. Importance of Feedback in Sales: - Adaptability: Salespeople can adapt their pitch based on the customer's responses. If a customer shows interest in a specific feature, the salesperson can emphasize that aspect more. - Building Relationships: Instant feedback fosters a two-way communication channel, which is crucial for building trust and rapport with customers. This relationship can lead to repeat business and referrals. - Improving Sales Techniques: Salespeople can learn from each interaction, refining their techniques and strategies based on what works and what doesn’t. Why the Other Options Are Weaker: B. it is very cheap in terms of cost per contact - Cost Consideration: While personal selling can be effective, it is often more expensive than other promotional methods like advertising or public relations when considering the cost per contact. Personal selling requires training, salaries, and often travel expenses, which can add up quickly. Therefore, this option does not accurately reflect the primary advantage of personal selling. C. it does not need to use mass media - Media Usage: While personal selling does not rely on mass media, this is not necessarily an advantage. Many businesses use a combination of personal selling and mass media to reach a broader audience. The effectiveness of personal selling is not solely dependent on the absence of mass media; rather, it is about the quality of interaction and feedback that can be achieved through direct communication. D. sales people are well trained - Training Importance: While it is true that effective salespeople often undergo extensive training, this is not unique to personal selling. Other promotional methods also involve trained professionals (e.g., marketers, advertisers). The training of salespeople is important, but it does not directly relate to the unique advantage of personal selling over other promotional methods. Summary:

• Personal selling allows for instant feedback, enabling salespeople to adapt their approach in real-time.
• This feedback loop enhances customer relationships and improves sales techniques.
• Other options, while relevant, do not capture the unique advantage of personal selling as effectively as instant feedback does.
• Understanding the dynamics of personal selling can significantly improve sales strategies and outcomes.