Which of the following is true of the product life cycle (PLC)?
A) All products generally go through all five stages of the PLC.
B) All products pass through the stages of PLC in the same order.
C) It is generally difficult to forecast the sales level at each PLC stage.
D) The PLC concept can be applied to styles but not to fashions and fads.
E) Product forms have longer life cycles than product classes.
Answer: C