Final answer:
The excerpt from the investigative report aims to recommend hiring someone for a job at the company, indicating that the candidate is a good fit for the position that starts on August 15, 2018. So the correct answer is Option B.
Step-by-step explanation:
Based on the investigative report excerpt, the statement that best explains the report's purpose is B. to recommend hiring someone for a job at a company. The report mentioned that the firm's management team liked the job candidate's attitude and experience, and the reference checks and background check were positive. This indicates that the report is suggesting that the job candidate would be a good fit for the open position, thereby recommending the candidate for employment beginning August 15, 2018.