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:

A. asking you to pay $40 times the contract size into your margin account?

B. telling you that you can withdraw $50 times the contract size from your margin account?

C. telling you that you can withdraw $40 times the contract size from your margin account?

D. asking you to pay $50 times the contract size into your margin account?