(a) On a date after the conclusion of the hearing required in subsection (f) of Code Section 36-81-5, the governing authority shall adopt a budget ordinance or resolution making appropriations in such sums as the governing authority may deem sufficient, whether greater or less than the sums presented in the proposed budget. The budget ordinance or resolution shall be adopted at a public meeting which shall be advertised in accordance with the procedures set forth in subsection (e) of Code Section 36-81-5 at least one week prior to the meeting.(b) The budget may be prepared in any form that the governing authority deems most efficient in enabling it to make the fiscal policy decisions embodied in the budget, but such budget shall be subject to the provisions of this article.