单选题 A trader has a short position in a wheat contract. The initial margin is $2000. The maintenance margin is $1500. There are 5000 bushels in each wheat contract. On August 10, the price is $1.89 per bushel What is the price at which the trader will receive a maintenance margin call?

A. $1.99.
B. $1.79.
C. $1.69.

【正确答案】 A

【答案解析】The short trader loses equity in the account when the price of wheat appreciates. $2000 - $1500= $500. 5000×(P-1.89) =500. P= $1.99.