13. (6) You are the HR Manager for a large commercial construction company. During his job interview, Zhou mentioned that he was recovering from an addiction to cocaine and had not used it for the past six months. He is applying for a safety-sensitive position. a. Should you continue with the interview? Why or Why not? b. Presuming you were to continue with the interview, what sort of additional questions, if any, should you ask? c. What steps should you take to protect your employer from presuming Zhou is not a successful candidate?