(a) The authority may sell bonds in such manner and for such price as it may determine to be for the best interests of the authority.
(b) The proceeds of bonds shall be used solely for the payment of the cost of project and shall be disbursed upon requisition or order of the chairman or vice-chairman of the authority under such restrictions, if any, as provided by the resolution authorizing the issuance of the bonds or by the trust indenture mentioned in Code Section 12-3-332.