Final answer:
The guidelines for salespeople developing charts and related visuals for a sales presentation using PowerPoint include being clear and concise, considering the audience, and keeping a consistent visual style.
Step-by-step explanation:
The guidelines for salespeople developing charts and related visuals for a sales presentation using PowerPoint include:
Clear and concise: Ensure that the visual elements of your presentation are easily understandable and convey the information efficiently.
Consider the audience: Tailor the charts and visuals to the specific needs and preferences of your audience.
Keep a consistent visual style: Use consistent fonts, colors, backgrounds, and other visual elements throughout your presentation to create a cohesive look.