Paulsen sued Daly for nonpayment of a personal loan to Daly, as evidenced by Daly's promissory note to Paulsen. Paulsen called Walters to testify that he knows Daly's handwriting and that the signature on the note is Daly's. On direct examination, to identify himself, Walters gave his name and address and testified that he had been employed by a roofing company for seven years. During presentation of Daly's case, Daly called Wilson to testify that she is the roofing company's personnel manager and that she had determined, by examining the company's employment records, that Walters had worked there only three years. The trial judge should rule that Wilson's testimony is
inadmissible, because it is not the best evidence.  inadmissible, because it is impeachment on a collateral question.  admissible as evidence of a regularly conducted activity. admissible as tending to impeach Walters' credibility
Question: Paulsen sued Daly for nonpayment of a personal loan to Daly, as evidenced by Daly's promissory note to Paulsen. Paulsen called Walters to testify that he knows Daly's handwriting and that the signature on the note is Daly's. On direct examination, to identify himself, Walters gave his name and address and testified that he had been employed by a roofing company for seven years. During presentation of Daly's case, Daly called Wilson to testify that she is the roofing company's personnel manager and that she had determined, by examining the company's employment records, that Walters had worked there only three years. The trial judge should rule that Wilson's testimony is
A. inadmissible, because it is not the best evidence. 
B. inadmissible, because it is impeachment on a collateral question. 
C. admissible as evidence of a regularly conducted activity.
D. admissible as tending to impeach Walters' credibility
Answer: