Angela believes that Beamer Corporations stock will drop in value. She borrows 150 shares from a brokerage firm when the stock was selling at $42 per share. When the stocks price dropped to $27 per share, she told the brokerage firm to buy 150 shares of Beamer stock. This stock was returned to the brokerage firm in replace of the stock she first borrowed. What is Angelas profit on her short selling investment?