D$$e Trader opens a brokerage account and purchases $100$ shares of Internet Dreams at $$60$ per share. She borrows $$2,000$ from her

broker to help pay for the purchase. The interest rate on the loan is $10\%.$

Required:

a$.$ What is the margin in D$$e$\text{'}$s account when she first purchases the stock?

b$.$ If the share price falls to $$50$ per share by the end of the year, what is the remaining margin in her account?

Remaining margin

c$.$ If the maintenance margin requirement is $30\%,$ will she receive a margin call?

Yes

No

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.$)$

Rate of return