-2- (b) Ensuring that the revenue of the NCB is sufficient to defray all costs of production, supply and distribution and all charges which by the Bill are required to be discharged out of revenue, and (c) Furthering the welfare, safety and health of its employees. The NCB will be endowed with all the powers necessary for the performance of these duties, but will be subject to general directions given by the Minister as to the exercise of its functions under the Bill in relation to matters appearing to the Minister to affect the national interest.