K.S.A. 12-880: Same; rates and charges for sale of gas.

The city or the authority shall fix rates and charges for the sale of natural gas provided by the system which shall be at all times sufficient in the aggregate to provide revenues (a) for the payment of the interest on and principal of all bonds and other obligations payable from said revenues and to meet all other charges upon such revenues as provided by any trust agreement executed by the city or the authority in connection with the issuance of bonds under this act, and (b) for the payment of all operating costs and all other costs and charges incidental to the operation of the system.