De Trader opens a brokerage account and purchases 200 shares of Internet Dreams at $42 per share. She borrows $3,800 from her broker to help pay for the purchase. The interest rate on the loan is 12%.

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

Margin $ 4600 is correct

b-1.

If the share price falls to $31 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 % ______

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

Yes No correct

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 % _______

Please help with b-1 and c. Thank you!