Why, in practice, is it difficult for the average investor to make a profit from an interest carry trade? O A. The average investor often overestimates inflation rates resulting in negative real returns on long-term investments. OB. It is very difficult for the average investor to determine short-term and long-term interest rates. O C. The average investor does not have access to long-term investments, and can only access them through expensive brokerage arrangements. O D. Borrowing rates for the average investor are much higher than short-term Treasury rates