Yesterday you sold six-month futures on the S\&P index at a price of 2,100 . Today the index closed at 2,050 and the future at 2,140 . You get a call from your broker. Is he: Multiple Choice asking you to pay $40 times the contract size into your margin account? asking you to pay $50 times the contract size into your margin account? telling you that you can withdraw $40 times the contract size from your margin account? telling you that you can withdraw $50 times the contract size from your margin account