Problem 3-15 Dee Trader opens a brokerage account and purchases 300 shares of Internet Dreams at $32 per share. She borrows $4,600 from her broker to help pay for the purchase. The interest rate on the loan is6%. a. What is the margin in Dee's account when she first purchases the stock? Margin b. If the share price falls to $21 per share by the end of the year, what is the remaining margin in her account? (Round your answer to 2 decimal places.) c. If the maintenance margin requirement is 30%, will she receive a margin call? ONo OYes d 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