Julie purchased four (4) S&P 500 index futures at a price of 1392. The contract size is $250 times the index value. The futures are maturing today at a price of 1387.50. What is the amount of her profit or loss? If Julie's brother sold nine NASDAQ Index futures contracts at 8728 with a $100 multiplier and the contract matured at a final settlement price of 8931, What is the amount of his profit or loss?