Which of the Following Is NOT a Challenge Presented by the Product

Multiple Choice

Which of the following is NOT a challenge presented by the product life cycle that a firm must face?

A) It is difficult to plot the stages as a product goes through them.
B) All products eventually decline.
C) Changing tastes,technologies,and competition affect the marketing of the product as it passes through life- cycle stages.
D) A firm must be good at adapting its marketing strategies.
E) A firm must be good at developing new products to replace aging ones.