Concept:NACCIMA stands for the Nigerian Association of Chambers of Commerce, Industry, Mines and Agriculture.
It represents the private sector and provides trade-related services to its members.
Explanation:One core role of NACCIMA is to protect and promote the commercial interests of its members.
It gathers and shares relevant business information, especially on tariffs and trade regulations.
This helps members make informed decisions and adapt to import/export policies.
The other options describe functions associated more with labour unions or investment groups, not NACCIMA.
Answer:C. disseminating information to members on matters relating to tariffs.