Explanation
A lack of information about beneficial owners is a red flag for potential money laundering or terrorist financing. It is important to identify who the actual owners of the company are to understand their potential risk exposure.
Confusing details about the proposed business activity and lack of knowledge about the proposed business are also red flags for potential money laundering or terrorist financing. This could indicate that the proposed business activity is not legitimate and is being used to conceal illegal activities.
Therefore, these two observations should be escalated to the compliance officer for further investigation.

Explanation/Reference: https://ico.org.uk/for-organisations/guide-to-freedom-of-information/receiving-a-request/

According to the CAMS Certification Package - 6th Edition1, a financial institution that processes a wire transfer is required to file a suspicious transaction report (STR) in the jurisdiction where it is located, if it detects any red flags or indicators of money laundering, terrorism financing, or other financial crimes. The financial institution does not need to file an STR in the jurisdictions of the originator or the beneficiary of the wire transfer, unless it has a branch or a subsidiary there. Therefore, the correct answer is A. The transaction in Country A.
References:
* CAMS Certification Package - 6th Edition1, Chapter 4: Compliance Standards for Anti-Money Laundering (AML) and Combating the Financing of Terrorism (CFT), Section: Wire Transfers, pp. 161-
162.

Explanation
Retail banks typically have a high inherent risk of money laundering due to their provision of cash services.
This is because cash is a preferred medium of exchange for criminals and terrorists, and retail banks provide a convenient way for them to move large sums of money without detection. Retail banks are also vulnerable to money laundering through the use of false identities and other deceptive practices. (CAMS Manual, 6th Edition, Page 8).