问题如下：
Sid is a dealer in America. Sid listed a 6-month forward exchange rate in USD/GBP at 1.3923. Sid also forecasts 6-month forward points as a percentage at 5.6%. Which of the following options of the USD/GBP spot rate is most accurate?
选项：
A.1.3185.
B.0.7585.
C.1.3923.
解释：
A is correct.
Spot rate × (1 + 0.056) = 1.3923
Spot rate = 1.3923/1.056 =1.3185
考点： spot rate 与 forward rate 间的转换计算。
解析：
Spot rate × (1 + 0.056) = 1.3923
Spot rate = 1.3923/1.056 =1.3185
in percentage 不是 f-s/s 吗？ 答案中的是用的什么公式 讲义哪页的？
