1. you purchased 100 share of common stock on marginal at $45 per share. Assume the initial margin is 55%, and the stock pays no dividend . what would the maintenance margin be if a margin call is made at a stock price of $30? ignore interest on margin.

2.you sold short 100 shares of common stock at $45 per share . The initial margin is 50% . At what stock price would you receive a margin call if the maintenance margin is 30%