Jack Hemmings bought a 3-month British pound futures co...
单项选择题 Jack Hemmings bought a 3-month British pound futures contract for 
1.4250 at which time he sold the pound futures. If each pound futures contract is for an amount of £62,500, how much money did Jack gain or lose from his speculation with pound futures?
A．$937.50 loss
B．$937.50 gain
C．£937.50 loss
D．£937.50 gain
