5. Gilead Science stock sells for $17 per share and you have decided to purchase as many shares as you possibly can. You have $31,000 available to invest. What is the maximum number of shares you can buy if the initial margin is 60% ? (5 marks) 6. You decide to buy 1,200 shares of stock at a price of $34 and an initial margin of 55 percent. What is the maximum percentage decline in the stock before you will receive a margin call if the maintenance margin is 35 percent? (6 marks)