Final answer:
Having a clear sales call plan can lead to increased sales conversion, improved customer satisfaction, and reduced sales time by providing efficient communication and professionalism, though it doesn't guarantee sales success.
Step-by-step explanation:
The effect of having a clear plan for a sales call could suffice various outcomes, including highlighted ones such as increased sales conversion, improved customer satisfaction, and reduced sales time. A clear plan allows for more efficient communication, addressing customer needs directly, and demonstrating professionalism, all of which contribute to building customer trust and potentially improving the likelihood of a sale. However, it is important to note that a clear plan does not guarantee sales success as there are many variables in any sales process that can affect the outcome.