Q14. Kari purchases 400 shares of ABC stock at $30/ share. She was short on funds and borrows $4000 from the broker to pay for the purchase. a) What's the margin in Kari's account in percent when she made the purchase of the stock? b) If the price falls to $20/ share at the end of six months, what is the margin in her account in percent? c) If MMR is 40%, will she get a margin call