Which values do you use to fill the CV_PERN Rand CV_NEW_HIRE parameters to rehire an employee into the original personnel number used in SAP ERP HCM?

Your customer wants to implement the Hire Rehire BAdl (EX_PAOCF_EC_DECIDE_HIRE_REHIRE).

Which values do you use to fill the CV_PERN Rand CV_NEW_HIRE parameters to rehire an employee into the original personnel number used in SAP ERP HCM?
A . CV_PERNR: Personnel number
CV_NEW_HIRE:UserlD
B. CV_PERNR:UserlD
CV_NEW_HIRE:X
C. CV_PERNR: Personnel number
CV_NEW_HIRE: blank
D. CV_PERNR:X
CV_NEW_HIRE: Blank

Answer: C