Problem 4-02 You purchase 100 shares for $30 a state ($3,000), and after a year the price falls to $25. 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 20 percent. thea minus sign to enter the amount as a negative value, Round your answer to one decimat place. b. 50 percent. We a minus son to enter the amount as a negative values Round your answer to one decimal place C. 30 percent Use a minussion to enter the amount as a negative value. Round your answer to one decimal place