De Trader opens a brokerage account and purchases 100 shares of Internet Dreams at $56 per share. She borrows $3,500 from her broker to help pay for the purchase. The interest rate on the loan is 9%.

a. What is the margin in Des account when she first purchases the stock? Margin __$ .

If the share price falls to $46 per share by the end of the year, what is the remaining margin in her account? (Round your answer to 2 decimal places.) Remaining margin __ %.

If the maintenance margin requirement is 30%, will she receive a margin call? No Yes

c. What is the rate of return on her investment? (Negative value should be indicated by a minus sign.Round your answer to 2 decimal places.) Rate of return __ %