Answer: this scenario best illustrates a dominant design.
Step-by-step explanation:
Innovation streams means where the innovations become a competitive advantage for the companies. In this case solar water heater has attained its popularity and this has increased the demand for the product. Companies have to protect themselves against the competitors through innovation streams. Company can maintain its innovative streams by giving innovations every year.
Dominant design means that a new innovative product is accepted in the market and has market standards. Dominant design are used by mass people.