Sec. 9. (a) All necessary preliminary expenses actually incurred in the:
(1) making of surveys;
(2) estimates of cost and receipts;
(3) employment of architects, engineers, attorneys, or other consultants;
(4) giving of notices;
(5) taking of options; and
(6) all other expenses necessary to be paid prior to the issue and delivery of bonds;
may be met and paid out of funds provided by the city, from funds on hand or derived from taxes levied and appropriated for these purposes, or from funds received as donations or contributions.
(b) the funds of the city from which payments are made shall be fully reimbursed and repaid by the board out of the first proceeds of the sale of bonds before any other disbursements are made.