What is the LEAST expensive AWS Support plan that provides the full set of AWS Trusted Advisor best practice checks for cost optimization?

Explanations:

AWS Enterprise Support includes all Trusted Advisor checks but is more expensive than Business.

AWS Business Support is the least expensive plan that provides full Trusted Advisor checks.

AWS Developer Support does not include the full set of Trusted Advisor checks for cost optimization.

AWS Basic Support only includes a limited set of Trusted Advisor checks and not the full set.