The Corporation has planned to install its plant so as to achieve cost-effective production of mineral water. Had there been a loss, it could also acquire water from private companies. So, II does not follow. Besides, the local private companies can survive by cutting costs or by extending their sales network to other cities. Thus, I does not follow. Lastly, the Corporation seeks to provide healthy drinking water to the residents. Water for general use would still be delivered through taps. Hence, III also does not follow.