Problem 4-01 Your purchase 200 shares for $50 a shene ($10,000), and after a year the price rises to $60 Callate the percentage return on your investment if you bought the stock on margin and the margin requirement was (ignore commissions, dividends, and interest expense) 25 percent. Round your answer to one decimal place 55 percent fund your answer to une decimal place c75 pentound your answer to one decimal place