You purchase 50 shares for $60 a share ($3,000), and after a year the price falls to $55. 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): a. 25 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.

b. 60 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.

c. 85 percent. Use a minus sign to enter the amount as a negative value. Round your answer to one decimal place.