You purchased 100 shares of IBM common stock on margin at $70 per share. Assume the initial margin is 50% and the maintenance margin is 30%. Below what stock price level would you get a marg

You purchased 100 shares of IBM common stock on margin at \$70 per share. Assume the initial margin is 50% and the maintenance margin is 30%. Below what stock price level would you get a margin call? Assume the stock pays no dividend; ignore interest on margin.