Final answer:
The suitability rules are designed to protect consumers by reducing risks associated with imperfect information.
Step-by-step explanation:
The suitability rules are designed to protect consumers by reducing the risks associated with imperfect information. These rules are applicable to various areas such as gemstones, used cars, lawyers, and other goods and services. They aim to ensure that buyers are provided with accurate and sufficient information to make informed decisions and that sellers meet certain standards of quality and transparency.