Final answer:
Attending a team training is the best method for a sales associate to learn product benefits because it's interactive and aligned with company goals.
Step-by-step explanation:
The BEST way for the sales associate to learn the benefits of a product is to attend a team training where you discuss benefits. While reading the vendor manual and the instructions is helpful, attending a training session is often more interactive and provides a comprehensive understanding of the products. During team trainings, associates have the opportunity to ask questions, participate in discussions, and learn from the experiences of others. Moreover, these trainings can be tailored to align with the company's priorities and goals, allowing sales associate to better contribute to team's goals.