A.__The person defrauded may maintain an action to recover the consideration paid for the advice and the amount of any actual damages caused by the fraudulent conduct, interest at the legal rate of interest from the date of the fraudulent conduct, costs and reasonable attorney's fees determined by the court, less the amount of any income received as a result of the fraudulent conduct.

B.__This subsection does not apply to a broker-dealer or its agents if the investment advice provided is solely incidental to transacting business as a broker-dealer and no special compensation is received for the investment advice.

7.__Joint and several liability.__The following persons are liable jointly and severally with and to the same extent as persons liable under subsections 2 to 6:

A.__A person that directly or indirectly controls a person liable under subsections 2 to 6, unless the controlling person sustains the burden of proof that the person did not know and, in the exercise of reasonable care, could not have known of the existence of conduct by reason of which the liability is alleged to exist;

B.__An individual who is a managing partner, executive officer or director of a person liable under subsections 2 to 6, including an individual having a similar status or performing similar functions, unless the individual sustains the burden of proof that the individual did not know and, in the exercise of reasonable care, could not have known of the existence of conduct by reason of which the liability is alleged to exist;

C.__An individual who is an employee of or associated with a person liable under subsections 2 to 6 and who materially aids the conduct giving rise to the liability, unless the individual sustains the burden of proof that the individual did not know and, in the exercise of reasonable care, could not have known of the existence of conduct by reason of which the liability is alleged to exist; and

D.__A person that is a broker-dealer, agent, investment adviser or investment adviser representative that materially aids the conduct giving rise to the liability under subsections 2 to 6, unless the person sustains the burden of proof that the person did not know and, in the exercise of