What is the maintenance margin for writing five call option contracts (that is, on 500 shares) on a given stock with an exercise price of $100 ? (The current stock price is $102, and the value of the option $3. ) $0 $9,700 $10,700 $11,700 What is one of the advantages of OTC markets? They involve low credit risk. They are highly regulated. The terms of the traded contracts are not bound to those specified by the markets All of the above Suppose that a trader buys 500 shares of company A's stock on margin at $100 per share. The initial margin stated by the broker is 50%, and the maintenance margin is 30%. What is the stock price below which there would be a margin call? $61.40 $71.40 $85.40 $95.400