Suppose, instead, $an$ investor has $a$ $$1$ million short position $inT-$bond futures and that the value $of$ the futures

contract increases $by$ $$50,000to$ $$1,050,000.$ How much

will the investor $be$ required $to$ pay his broker $to$ maintain his margin? What will $be$ the value $of$ the investor$s$

account balance $(assumingno$ excess$)as$ a result $of$ the

price drop?