4. Assume you purchase 1 Rye Grain futues contract for $1.71 per bushel (contract size 5,000 bushels) on May 1 Also assume the initial margin you must put up is $500. The maintenance margin is 75% of the initial margin. a. If on May 2nd, the price of rye falls to $1.67 per bushel what is the amount of Variation Margin you must put into your brokerage account? b. If instead the price of Rye had fallen to $1.70 on May 2nd, what is the amount of Variation Margin you must put into your brokerage account? c. If instead the price of Rye had risen to $1.73 on May 2nd, what is amount of Variation Margin you must put into your brokerage account