The Eurodollar futures contract (ED) has contract size of $1 million, a tick size of 0.005% and a tick value of $12.50 per tick. If the initial margin is $300 and the maintenance margin is $250, how much additional deposit per contract does an investor have to make to the account (to keep the account open if fell below maintenance) if the price of the contract moves from $99.875 to $99.850 ?

$62.50

$50.00

$0

$125.00