PLEASE HELP ME ANSWER THIS QUESTION. THANK YOU VERY MUCH!!

Q16*. (Futures Contract): You recently took a long position on futures at a delivery price of $1,000. The margin requirement was 80% of the deal. The prices of the asset for the past three days after you took the position were $1,250, $1,300 and $1,120. Calculate how much money will be on your margin account after the third day