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You expect that there will be geopolitical tension between Russia and Ukraine within coming 3 months. You think that the gold price will jump if it happens.

1(a) After 1 month, there is war between the 2 countries and gold soars to $1,900 per ounce. Calculate the one-month holding period return if the futures contracts keep priced fairly.

1(b) If the required maintenance margin is $35,000, what is the futures price per ounce that you will receive a maintenance margin call?