An investor writes a put option with an exercise price of $40 when the stock price is $42. The option premium is $1. At expiration the stock price is $37. The investor will realize
【单选题】Since the dawn of human ingenuity, people have devised ever more cunning tools to cope with work that is dangerous, boring, burdensome, or just plain nasty. That compulsion has resulted in robotics—th...
A.
the use of machines to produce science fiction.
B.
the wide use of machines in manufacturing industry.
C.
the invention of tools for difficult and dangerous work.
D.
the elite’s cunning tackling of dangerous and boring work.
【简答题】Researchers in Britain are driving the environmental movement to a new level. A team from the University of Warwick has built what it calls the world’s first completely environmentally friendly Formul...