Plaintiff sued Defendant under an age discrimination statute, alleging that Defendant refused to hire Plaintiff because she was over age 65. Defendant's defense was that he refused to employ Plaintiff because he reasonably believed that she would be unable to perform the job. Defendant seeks to testify that Employer, Plaintiff's former employer, advised him not to hire Plaintiff because she was unable to perform productively for more than four hours a day. The testimony of Defendant is 
inadmissible, because Defendant's opinion of Plaintiff's abilities is not based on personal knowledge.  inadmissible, because Employer's statement is hearsay not within any exception.  admissible as evidence that Plaintiff would be unable to work longer than four hours per day. admissible as evidence of Defendant's reason for refusing to hire Plaintiff.
Question: Plaintiff sued Defendant under an age discrimination statute, alleging that Defendant refused to hire Plaintiff because she was over age 65. Defendant's defense was that he refused to employ Plaintiff because he reasonably believed that she would be unable to perform the job. Defendant seeks to testify that Employer, Plaintiff's former employer, advised him not to hire Plaintiff because she was unable to perform productively for more than four hours a day. The testimony of Defendant is 
A. inadmissible, because Defendant's opinion of Plaintiff's abilities is not based on personal knowledge. 
B. inadmissible, because Employer's statement is hearsay not within any exception. 
C. admissible as evidence that Plaintiff would be unable to work longer than four hours per day.
D. admissible as evidence of Defendant's reason for refusing to hire Plaintiff.
Answer: