Options :
(A) locate a low cost production site.
(B) seek a joint venture with a large competitors.(C) Test market the product among potential users.
(D) develop an advertising campaign to pursuade consumers of the value of the new water purifier system.
Answer: (C) Test market the product among potential users.
Explanation: In other to ascertain the superiority and quality of the purification device, it is important to embark on a tentative phase whereby the product is tested among a pool of potential users or customers, get there feedbacks, analyze before deciding to embark on a full scale production. This phase is required in other not to get carried away by positive feedbacks received after the purchase of a superior equipment. The actual testing of the output or level of water purity obtained from using this equipment from the consumer's standpoint is absolutely vital.