71. Plutonium is trading at a one-year futures price of $5,000 per gram. A futures contract comprises 100 grams. The initial margin is $100,000 and the maintenance margin is $90,000. You are short one futures contract. There is a margin call when the price per gram of plutonium changes to:- 3. A US-based exporter anticipated receiving 75 million in six months, and took a short forward position, locking-in an exchange rate of $1.40 / . If after six months, at maturity, the exporter calculates that she has made a profit of $3 million from the hedging strategy, the spot exchange rate at maturity must be:- (2 Points) O $0.50/. $ 1.447 $1.36/ $ 2.00/