A marketing manager is preparing a sales presentation for a product launch to a diverse audience, including potential clients and investors, in a large conference room. How can the marketing manager ensure the effedriveness of the sales presentation?

a$.$ Utilize a wide variety of presentation formats to appeal to different audience preferences.

b$.$ Ensure the presentation is large and clear enough to be seen by everyone in the room.

c$.$ Use visually stunning graphics and complex visuals to impress the audience.

d$.$ Include detailed information and text$-$heavy slides to provide comprehensive data.

e$.$ Keep the presentation minimal and devoid of any colors to avoid distractions.