De Trader opens a brokerage account and purchases 200 shares of Internet Dreams at $46 per share. She borrows $2,400 from her broker to help pay for the purchase. The interest rate on the loan is 8%. a. What is the margin in Des account when she first purchases the stock? b. If the share price falls to $36 per share by the end of the year, what is the remaining margin in her account? c. If the maintenance margin requirement is 30%, will she receive a margin call? Yes or No? d. What is the rate of return on her investment?