Final answer:
Dongfang acted as a spokesperson for Common Grounds to provide information and address concerns after cases of food poisoning were linked to tainted milk.
Step-by-step explanation:
When Dongfang gave an interview to address the situation regarding the shipment of tainted milk that had arrived at their store, Dongfang was acting as a spokesperson for Common Grounds. By stepping forward to communicate with the public and the local news, Dongfang was providing essential information on the incident, its causes, and the measures being taken to ensure safety moving forward. In a case where food poisoning has occurred, the person representing the business and communicating with the media and public fulfills a critical public relations role. Additionally, in the aftermath of such an incident, a business's response and transparency are vital. It is a matter of crisis management, where addressing the concerns of the public and stakeholders is crucial.
Through the case-control study that was conducted, involving a comparison of those who got sick and those who did not, the business was able to identify the tainted milk as the likely source of the contamination.