(a) Total expenses for marketing securities, including all commissions for the sale of the securities, and all other incidental selling expenses, may not in the aggregate exceed 20 percent of the price at which the stock or other securities of a proposed or existing company are to be sold or offered for sale to the public of this state.
(b) The commissioner may reduce the percentage listed in Subsection (a) to a percentage that in the commissioner's opinion is fair, just, and equitable under the facts of the particular case.