De Trader opens a brokerage account and purchases 400 shares of Internet Dreams at $24 per share. She borrows $3,400 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?

b-1. If the share price falls to $14 per share by the end of the year, what is the remaining margin % in her account? (Round your answer to 2 decimal places.) Answer in %

b-2. If the maintenance margin requirement is 30%, will she receive a margin call?

c. What is the rate of return on her investment? (Round your answer to 2 decimal places.) Rate of return %