Fixed cost is the difference between total cost and total variable cost

"Giving a speech is like a fine meal: There's an appetizer (introduction), the main course (body), and a dessert (conclusion)." This is an example of what type of support material?

Indicate whether the statement is true or false.

Which of the following are not appropriate for a professional work setting?

A) Tennis shoes B) Sweat pants C) Expensive flip flops D) All of the above E) None of the above