You sell three December gold futures contracts when the futures price is $410 per ounce. Each contract is on 100 ounces of gold and the initial margin per contract is $2,000. The maintenance margin per contract is $1,500. During the next seven days the futures price rises slowly to $412 per ounce. a) Suppose that you deposit in your margin account just enough to meet the initial margin requirement. What is the balance of your margin account at the end of the seven days? Will you receive a margin call? b) What change in the futures price will lead to a margin call? What happens if you do not meet the margin call