The Council may make investigations into the affairs of the City and the conduct of any City department, division or agency and for this purpose may subpoena witnesses, administer oaths, take testimony and require the production of evidence. Any person who fails or refuses to obey a lawful order issued in the exercise of these powers by the Council shall be guilty of a misdemeanor and punishable by a fine of not more than $50.00, or by imprisonment for not more than 30 days, or both.