The cable operator shall, at its sole cost, make available to the City, or its assigns, at least one channel to be used by the City, or its assigns, for any purpose. The cable operator shall, at its sole cost, make available to recognized educational authorities within the City, both public and private, at least one channel to be used by them for any purpose. The cable operator shall, at its sole cost, make available to the City and recognized educational authorities within the City, both public and private, at reasonable times and on reasonable notice, the use of its studio, other production facilities, and related equipment for origination cablecasting. In addition thereto, the cable operator shall provide, at its sole cost, such technical assistance as may be reasonably necessary to produce such origination cablecasting.