20') You are bullish on X Corp stock. The current stock price is $70 per share, and you 1ave $35,000 of your own. You borrow an additional $35,000 from your broker. a) (5') How many shares did you buy? (5') How far can the stock price fall before your receive a margin call if the maintenance margin is 40% ? (5') After receiving a margin call, how much additional cash do you need to put in your account to restore the 50% initial margin requirement? (5') What is your rate of return from this investment when the stock price increases to $80 per share