The only one that makes sense is C. Diagnosis
C. If the employer doesn't know much about your personality, they won't know if your a good match, so that's what an interview does.
The correct answer is Gain.
If they were both going to lose, then it wouldn't be a voluntary exchange, while bartering is the process of negotiation.
Answer:
Perishability
Hope this helps you out fam!
~theLocoCoco