You purchase 120 shares for $70 a share ($8,400), and after a year the price rises to $80. Calculate the percentage return on your investment if you bought the stock on margin and the margin requirement was (ignore commissions, dividends, and interest expense):

1. 15 percent. Round your answer to one decimal place.

   %

2. 55 percent. Round your answer to one decimal place.

   %

3. 80 percent. Round your answer to one decimal place.

   %