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A short silver futures contract requires the seller to deliver 5,000 troy ounces of silver to the buyer. Jerry Harris sells one December silver futures contract at a price of $21 per ounce, posting a $9,000 initial margin. If the required maintenance margin is $6,000, what was the price per ounce for the December silver futures contract at which Mr. Harris would receive a margin call (Hint: Jerry can lose at maximum $3,000 without receiving a margin call)? 1. Above $21.00 per ounce 2. Above $21.60 per ounce 3. Above $22.40 per ounce 4. Below $21.60 per ounce 5. Below $21.00 per ounce