Suppose the S&P-500 index futures price is currently 950 (with a contract multiplier of S250) and the initial margin is 10%. You wish to enter into 10 S&P-500 futures contracts. (a) What is the notional value of your position? What is the margin? Answer: notional value $2,375,000, margin $237,500 (b) Suppose you earn a continuously compounded rate of 6% on your margin balance your position is marked to market weekly, and the maintenance margin is 80% of the initial margin. What is the greatest S&P-500 index futures price 1 week from today at which you will receive a margin call? Answer: S930.89 all a d 237,500e006/5(ST -950) x 250 x 10