Thompson Pools Installs and Maintains Swimming Pools

Multiple Choice

Thompson Pools installs and maintains swimming pools.They group their customers according to their needs: new installs,regular maintenance,and frequent product consumers.When do they need a new segmentation analysis?

A) Once every 20 years is about average
B) They should do them regularly because of the rapidly changing nature of most markets
C) They don't need any because consumer markets don't rapidly change and develop like business goods markets
D) Every year,using new bases for variety
E) Only when the market changes