Dee Trader opens a brokerage account and purchases 400 shares of Internet Dreams at $22 per share, She borrows $3.600 from her broker to herp pay for the purchase The interest rate on the loan is 8% a. What is the margin in Dee's account when she first purchases the stock Margin b-1. if the share price tals to $12 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%, wil she receive a margn cal? O No OYes c. What is the rate of retum on her invesoment? (Negative value should be indicated by a minus sign Round your answer to 2 decimal places) Rate of retum