Poppi, a fermented soda beverage company, is planning to launch a social media advertising campaign to promote a new line of lemonades. They have a very broad campaign objective of maximizing sales. What aspects of their social media campaign should Poppi test to optimize this goal?

Group of answer choices

a$.$ Campaign objective

b$.$ Messaging

c$.$ Visuals, Messaging, Campaign objective, and Audience

d$.$ Audience

e$.$ Ad visuals