(a) The city manager shall administer the municipal business and the governing body of the municipality shall ensure that the administration is efficient.
(b) The governing body by ordinance may delegate to the city manager any additional powers or duties the governing body considers proper for the efficient administration of municipal affairs.

(c) The city manager must execute a bond. The bond must be conditioned that the manager will faithfully perform the duties of manager and must be in an amount prescribed by ordinance.