Final answer:
Firm element training must be provided by member firms at least annually, as mandated by FINRA regulations.
Step-by-step explanation:
Firm element training is a requirement for member firms within the financial services industry to ensure their registered representatives and other covered persons stay current with changes in the regulatory environment, products, and services. Firm element training requires member firms to prepare training annually.According to Financial Industry Regulatory Authority (FINRA) regulations, member firms are required to provide this training at least annually. This means that the correct answer to the question of how frequently firm element training should be prepared is 4) Annually.