Except as otherwise authorized in Section 7-5-39, the Attorney General of the State of Mississippi shall represent the commission in issuing, selling and validating bonds herein provided for, and the commission may expend any sum not exceeding Fifteen Thousand Dollars ($15,000.00) from the proceeds derived from the sale of the bonds authorized hereunder to pay the cost of attorney's fees, validating, printing, and cost of delivery of bonds authorized under Sections 49-5-86 through 49-5-98.