Which of the following is true regarding functional products?
A . Functional products have unstable & unpredictable demand, and high profit margins.
B . Functional products satisfy basic needs, have stable & predictable demand, and long lifecycles.
C . Functional products have unstable & unpredictable demand, and low profit margins.
D . Functional products satisfy basic needs, have unstable and unpredictable demand, and longlife cycles.
Answer: B