Which of the following statements about the product life cycle is TRUE?
a. The product life cycle is not useful for understanding products such as fashion, which are expected to have a short life.
b. The product life cycle deals with aggregate demand over the lifetime of a product.
c. The product life cycle can only be used to understand individual brands.
d. The product life cycle shows that a product begins life profitable and will last until it is no longer profitable.
e. All of these statements about the product life cycle are true.
Answer: The product life cycle deals with aggregate demand over the lifetime of a product