问题
单项选择题
Faye Sagler takes a long position in 12 August yttrium futures contracts at a contract price of $ 3.50 per unit. Each contract is for 1000 units of yttrium. The required initial margin is $ 400 per contract and the maintenance margin is $ 300 per contract. August yttrium futures decline to $ 3.42, $ 3.38, and $ 3.31 on the next three trading days. On the first day that Sagler will be required to deposit additional cash into her futures account, the required deposit is closest to:()
A. $ 240.
B. $ 960.
C. $ 1440.
答案
参考答案：C
解析：
The initial margin is $ 400×12=$4800 and the maintenance margin level will be $ 300×12= $3600. Each $0.01 change in the price of yttrium changes the value of the account by $0.01 ×1000×12=$120.
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