Which of the Following Best Explains 'Conflict of Interest

Multiple Choice

Which of the following best explains 'conflict of interest'? 

A)  Buyer wants to pay as little as possible and seller charge as much as possible. 
B)  Buyer wants to pay as much as possible and the seller charge as little as possible. 
C)  Buyer wants the same things as the seller. 
D)  Seller wants the same things as the buyer.