A trader buys a Eurodollar futures contract at 100.00 ( $1 million face value). The initial margin requires 50% of the face value of the contract. The maintenance margin requires 40% of the face value of the contract. In Day 1 , the future price closes out at a price of 70.00. What is the margin variation at Day 1 ? $0 $50,000 $100,000 $150,000