Final answer:
Auditing is an example of a business service (B2B) because it involves the review and examination of financial records and statements of a company by a qualified professional.
Step-by-step explanation:
The correct answer is B) Auditing. Auditing is an example of a business service (B2B) because it involves the review and examination of financial records and statements of a company by a qualified professional. This service is typically provided by an external auditing firm to another business.