(1) If any public agency determines that the public interest and the interest of the public agency will be served by assisting any other public agency in exercising the powers and authority granted by this part, the public agency may furnish assistance by gift of real or personal property or money or lease or loan with or without charge or interest.
(2) In appropriating the property or money and providing for the assistance by taxation, the issuance of bonds, or other means, the public agency may exercise all of its powers as though used for its own direct purposes as provided in this part.