If a person knowingly violates any provision of this subtitle or any regulation adopted under this subtitle, the Board may impose a fine not to exceed $500,000. Before the Board imposes a fine, the Board shall consider the appropriateness of the fine in relation to: The size of the wholesale distributor; The gravity of the violation for which the fine is to be imposed; The good faith of the wholesale distributor; and Any previous violations by the wholesale distributor. In addition to the penalty provided in subsection (a) of this section, the Board also may take disciplinary action against a permit holder who is convicted of or pleads guilty or nolo contendere to a violation of State, federal, or local drug laws.