An investor buys 1,500 shares of XYZ at $20 on margin. If the margin rate = 50% and the maintenance margin is 35%, how much are the initial margin required and the maintenance call price?

Initial margin = $15,000; maintenance call price = $15.38

Initial margin = $15,000; maintenance call price = $14.29.

Initial margin = $10,000; maintenance call price = $14.29.

Initial margin = $10,000; maintenance call price = $28.57.