a) Stock sells for $22 per share, you have $60,000 to invest ith an initial margin requirement of 55%. What is maximum number of shares you can buy? b) You purchase 400 shares of a company's stock at a price of $55. Your broker requires that you requires that you deposit $13,000 1) What is your margin loan amount? 2) What is your initial margin requirement? c) You buy 2,000 shares of a stock at a price of $68 per share and an initial margin requirement of 60%. What is the maximum percentage decline in the stock before you will receive if the maintenance margin is 40%