You Purchased 100 Shares of ABC Common Stock on Margin

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

A) $21
B) $50
C) $49
D) $80
E) none of these