(a) The council may establish municipal departments, offices or agencies in addition to those created by Chapters 1 through 17 and may prescribe the functions of all departments, offices and agencies. The council may hire an administrator to assist the council.
(b) All departments, offices and agencies may be administered by an officer appointed by and subject to the direction and supervision of the council.
(c) The municipal council shall adopt annually, prior to the beginning of the fiscal year, operating and capital budgets for the operation of city government and shall in such budgets identify the sources of anticipated revenue including taxes necessary to meet the financial requirements of the budgets adopted. The council shall further provide for the levy and collection of taxes necessary to meet all budget requirements except as provided for by other revenue sources.