[With regard to any county that is required to operate on a countywide system of road administration as described in Section 19-2-3, this section shall read as follows:]
The person appointed as county administrator under Section 19-4-1 shall serve at the will and pleasure of the board of supervisors and may be removed from such position by a majority vote of the board. The compensation of the county administrator shall be fixed by the board of supervisors and may be paid from the county general fund or from any funds which may be available to defray the financial administration expenses of county government. Any chancery clerk who agrees to also serve as county administrator may be paid, in addition to such compensation as he is otherwise entitled to receive by law, such additional compensation as the board deems him to be entitled commensurate with the additional duties he performs as county administrator. The board shall provide travel and transportation expense and other office expenses as are needed in the performance of the duties of the office of county administrator. Said travel and transportation expense shall be paid on itemized vouchers in accordance with the provisions of Section 25-3-41, Mississippi Code of 1972.