5. Suppose Stock XYZ is selling at $40 per share. You buy 10,000 shares, using $180,000 of your own money, and borrow the remainder. The rate on the margin loan is 6% per year a. What is your total return on the investment if in 12 months, the price changes to $37,$40, $43 per share. b. If the maintenance margin is 25%, at what price will you get a margin call? c. What if you only used 100,000 of your own money