You took a short position on 100 shares at $68. You have equity of $4,500. Assets Liabilities and Equity Short position in stock (owe 100 shares) $6,800 Cash $11,300 Equity $4,500 What is the initial margin? 66.18% How far can the price change before a margin call if the maintenance margin is 45%? [Select) $65.87 $67.14 $77.93 $72.29 $80.64