Question 1 Philip Trader opens a brokerage account and purchases 400 shares of Wah Tech Inc. at $30 per share. He borrows $4,000 from his broker to help pay for the purchase. The interest rate on the loan is 6%. a. What is the margin in Philip's account when he first purchases the stock? b. If the share prices falls to $20 per share by the end of the year, what is the remaining margin in his account? If the maintenance margin requirement is 35%, will he receive a margin call? c. What is the rate of return on his investment