Dee Trader opens a brokerage account and purchases 300 shares of intemet Dreams at $32 per share She borrows $4,600 from her broker to help pay for the purchase. The interest rate on the loan is 6%, a. What is the margin in Dee's account when she first purchases the stock? Margin (dollar value) $ b-1. If the share price folls 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.) Remaining margin (percentage) b-2. 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 shouid be indicated by a minus sign. Round your answer to 2 decimal places.) Rate of return