The Council shall fix the rates to be charged for all public utility services of the city. The Council shall provide, by ordinance, for the collection of public utility charges, and for such purpose shall have all the power granted to cities by Act No. 178 of the Public Acts of 1939 [M.C.L.A. §§ 123.161 et seq.] and Act No. 94 of the Public Acts of 1933 [M.C.L.A. §§ 141.101 et seq.], as amended in each case. When any person shall fail, or refuse to pay to the city any sum due on utility bills, the utility service or services upon which such delinquency exists may be shut off or discontinued by the city, and suit may also be instituted by the city for the collection of the same in any court of competent jurisdiction.