An investor takes a long position in 10 July Oil futures contracts at a price of $85 per barrel. Each contract is for 1,000 barrels of oil. The required initial margin is $800 per contract and the maintenance margin is $600 per contract. July Oil futures decline to $84.5 on Day-1, rise to $84.7 on Day-2 and decline to $84.3 on Day-3.