Which of the Following Is NOT a Challenge Presented to Marketers

Multiple Choice

Which of the following is NOT a challenge presented to marketers by the product life-cycle?

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