Part 4. (Currency Futures) Amy Smith purchased 4 units of Euro futures with December expiration date (one unit of Euro futures is 125,000 euro) at the price of 1.2$/euro. Initial margin is 5% and maintenance margin is 75% of the initial margin. Suppose on the next day, the futures price of euro dropped to 1.18$/euro. Should she put more money into her account? If so, how much?