You purchase 80 shares for $50 a share ($4,000), and after a year the price rises to $60. 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. 25 percent. Round your answer to one decimal place.

   %

2. 40 percent. Round your answer to one decimal place.

   %

3. 85 percent. Round your answer to one decimal place.

   %