The state funding board is hereby authorized to procure such legal and technical advice, approving opinions and such financial assistance as it may consider necessary in connection with the carrying into effect of this chapter, and is also authorized to pay all necessary expenses, including costs of advertisement, printing bonds, certificates and coupons, publication of all releases, purchases of all necessary books and records, and all other incidental expenses as may be necessary. All such expenses, as well as the amount of any discount at which bonds issued under this chapter shall be sold, may be funded by bonds issued under this chapter and authorized heretofore or hereafter by the general assembly, to be issued by the funding board.